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RD Sharma solutions for Mathematics [English] Class 8 chapter 7 - Factorization [Latest edition]

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RD Sharma solutions for Mathematics [English] Class 8 chapter 7 - Factorization - Shaalaa.com
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Solutions for Chapter 7: Factorization

Below listed, you can find solutions for Chapter 7 of CBSE RD Sharma for Mathematics [English] Class 8.


Exercise 7.1Exercise 7.2Exercise 7.3Exercise 7.4Exercise 7.5Exercise 7.6Exercise 7.7Exercise 7.9
Exercise 7.1 [Pages 3 - 4]

RD Sharma solutions for Mathematics [English] Class 8 7 Factorization Exercise 7.1 [Pages 3 - 4]

Exercise 7.1 | Q 1 | Page 3

Find the greatest common factor (GCF/HCF) of the following polynomial:
2x2 and 12x2

Exercise 7.1 | Q 2 | Page 3

Find the greatest common factor (GCF/HCF) of the following polynomial:
6x3y and 18x2y3

Exercise 7.1 | Q 3 | Page 3

Find the greatest common factor (GCF/HCF) of the following polynomial:
7x, 21x2 and 14xy2

Exercise 7.1 | Q 4 | Page 3

Find the greatest common factor (GCF/HCF) of the following polynomial:
42x2yz and 63x3y2z3

Exercise 7.1 | Q 5 | Page 3

Find the greatest common factor (GCF/HCF) of the following polynomial:
12ax2, 6a2x3 and 2a3x5

Exercise 7.1 | Q 6 | Page 3

Find the greatest common factor (GCF/HCF) of the following polynomial:
9x2, 15x2y3, 6xy2 and 21x2y2

Exercise 7.1 | Q 7 | Page 3

Find the greatest common factor (GCF/HCF) of the following polynomial:
4a2b3, −12a3b, 18a4b3

Exercise 7.1 | Q 8 | Page 3

Find the greatest common factor (GCF/HCF) of the following polynomial:
6x2y2, 9xy3, 3x3y2

Exercise 7.1 | Q 9 | Page 4

Find the greatest common factor (GCF/HCF) of the following polynomial:
a2b3, a3b2

Exercise 7.1 | Q 10 | Page 4

Find the greatest common factor (GCF/HCF) of the following polynomial:
36a2b2c4, 54a5c2, 90a4b2c2

Exercise 7.1 | Q 11 | Page 4

Find the greatest common factor (GCF/HCF) of the following polynomial:
x3, − yx2

Exercise 7.1 | Q 12 | Page 4

Find the greatest common factor (GCF/HCF) of the following polynomial:
15a3, − 45a2, − 150a

Exercise 7.1 | Q 13 | Page 4

Find the greatest common factor (GCF/HCF) of the following polynomial:
2x3y2, 10x2y3, 14xy

Exercise 7.1 | Q 14 | Page 4

Find the greatest common factor (GCF/HCF) of the following polynomial:
14x3y5, 10x5y3, 2x2y2

Exercise 7.1 | Q 15 | Page 4

Find the greatest common factor of the terms in each of the following expression:
5a4 + 10a3 − 15a2

Exercise 7.1 | Q 16 | Page 4

Find the greatest common factor of the terms in each of the following expression:
2xyz + 3x2y + 4y2

Exercise 7.1 | Q 17 | Page 4

Find the greatest common factor of the terms in each of the following expression:
3a2b2 + 4b2c2 + 12a2b2c2

Exercise 7.2 [Page 5]

RD Sharma solutions for Mathematics [English] Class 8 7 Factorization Exercise 7.2 [Page 5]

Exercise 7.2 | Q 1 | Page 5

Factorize the following:
3x − 9

Exercise 7.2 | Q 2 | Page 5

Factorize the following:
5x − 15x2

Exercise 7.2 | Q 3 | Page 5

Factorize the following:
20a12b2 − 15a8b4

Exercise 7.2 | Q 4 | Page 5

Factorize the following:
72x6y7 − 96x7y6

Exercise 7.2 | Q 5 | Page 5

Factorize the following:
20x3 − 40x2 + 80x

Exercise 7.2 | Q 6 | Page 5

Factorize the following:
2x3y2 − 4x2y3 + 8xy4

Exercise 7.2 | Q 7 | Page 5

Factorize the following:
10m3n2 + 15m4n − 20m2n3

Exercise 7.2 | Q 8 | Page 5

Factorize the following:
2a4b4 − 3a3b5 + 4a2b5

Exercise 7.2 | Q 9 | Page 5

Factorize the following:
28a2 + 14a2b2 − 21a4

Exercise 7.2 | Q 10 | Page 5

Factorize the following:
a4b − 3a2b2 − 6ab3

Exercise 7.2 | Q 11 | Page 5

Factorize the following:
2l2mn - 3lm2n + 4lmn2

Exercise 7.2 | Q 12 | Page 5

Factorize the following:
x4y2 − x2y4 − x4y4

Exercise 7.2 | Q 13 | Page 5

Factorize the following:
9x2y + 3axy

Exercise 7.2 | Q 14 | Page 5

Factorize the following:
16m − 4m2

Exercise 7.2 | Q 15 | Page 5

Factorize the following:
−4a2 + 4ab − 4ca

Exercise 7.2 | Q 16 | Page 5

Factorize the following:
x2yz + xy2z + xyz2

Exercise 7.2 | Q 17 | Page 5

Factorize the following:
ax2y + bxy2 + cxyz

Exercise 7.3 [Page 7]

RD Sharma solutions for Mathematics [English] Class 8 7 Factorization Exercise 7.3 [Page 7]

Exercise 7.3 | Q 1 | Page 7

Factorize each of the following algebraic expressions:
6x(2x − y) + 7y(2x − y)

Exercise 7.3 | Q 2 | Page 7

Factorize each of the following algebraic expressions:
2r(y − x) + s(x − y)

Exercise 7.3 | Q 3 | Page 7

Factorize each of the following algebraic expressions:
7a(2x − 3) + 3b(2x − 3)

Exercise 7.3 | Q 4 | Page 7

Factorize each of the following algebraic expressions:
9a(6a − 5b) −12a2(6a − 5b)

Exercise 7.3 | Q 5 | Page 7

Factorize each of the following algebraic expressions:
5(x − 2y)2 + 3(x − 2y)

Exercise 7.3 | Q 6 | Page 7

Factorize each of the following algebraic expressions:
16(2l − 3m)2 −12(3m − 2l)

Exercise 7.3 | Q 7 | Page 7

Factorize each of the following algebraic expressions:
3a(x − 2y) −b(x − 2y)

Exercise 7.3 | Q 8 | Page 7

Factorize each of the following algebraic expressions:
a2(x + y) +b2(x + y) +c2(x + y)

Exercise 7.3 | Q 9 | Page 7

Factorize each of the following algebraic expressions:
(x − y)2 + (x − y)

Exercise 7.3 | Q 10 | Page 7

Factorize each of the following algebraic expressions:
6(a + 2b) −4(a + 2b)2

Exercise 7.3 | Q 11 | Page 7

Factorize each of the following algebraic expressions:
a(x − y) + 2b(y − x) + c(x − y)2

Exercise 7.3 | Q 12 | Page 7

Factorize each of the following algebraic expressions:
−4(x − 2y)2 + 8(x −2y)

Exercise 7.3 | Q 13 | Page 7

Factorize each of the following algebraic expressions:
x3(a − 2b) + x2(a − 2b)

Exercise 7.3 | Q 14 | Page 7

Factorize each of the following algebraic expressions:
(2x − 3y)(a + b) + (3x − 2y)(a + b)

Exercise 7.3 | Q 15 | Page 7

Factorize each of the following algebraic expressions:
4(x + y) (3a − b) +6(x + y) (2b − 3a)

Exercise 7.4 [Page 12]

RD Sharma solutions for Mathematics [English] Class 8 7 Factorization Exercise 7.4 [Page 12]

Exercise 7.4 | Q 1 | Page 12

Factorize each of the following expressions:
qr − pr + qs − ps

Exercise 7.4 | Q 2 | Page 12

Factorize each of the following expressions:
p2q − pr2 − pq + r2

Exercise 7.4 | Q 3 | Page 12

Factorize each of the following expressions:
1 + x + xy + x2y

Exercise 7.4 | Q 4 | Page 12

Factorize each of the following expressions:
ax + ay − bx − by

Exercise 7.4 | Q 5 | Page 12

Factorize each of the following expressions:
xa2 + xb2 − ya2 − yb2

Exercise 7.4 | Q 6 | Page 12

Factorize each of the following expressions:
x2 + xy + xz + yz

Exercise 7.4 | Q 7 | Page 12

Factorize each of the following expressions:
2ax + bx + 2ay + by

Exercise 7.4 | Q 8 | Page 12

Factorize each of the following expressions:
ab − by − ay + y2

Exercise 7.4 | Q 9 | Page 12

Factorize each of the following expressions:
axy + bcxy − az − bcz

Exercise 7.4 | Q 10 | Page 12

Factorize each of the following expressions:
lm2 − mn2 − lm + n2

Exercise 7.4 | Q 11 | Page 12

Factorize each of the following expressions:
x3 − y2 + x − x2y2

Exercise 7.4 | Q 12 | Page 12

Factorize each of the following expressions:
6xy + 6 − 9y − 4x

Exercise 7.4 | Q 13 | Page 12

Factorize each of the following expressions:
x2 − 2ax − 2ab + bx

Exercise 7.4 | Q 14 | Page 12

Factorize each of the following expressions:
x3 − 2x2y + 3xy2 − 6y3

Exercise 7.4 | Q 15 | Page 12

Factorize each of the following expression:
abx2 + (ay − b) x − y

Exercise 7.4 | Q 16 | Page 12

Factorize each of the following expression:
(ax + by)2 + (bx − ay)2

Exercise 7.4 | Q 17 | Page 12

Factorize each of the following expression:
16(a − b)3 − 24 (a − b)2

Exercise 7.4 | Q 18 | Page 12

Factorize each of the following expression:
ab(x2 + 1) + x(a2 + b2)

Exercise 7.4 | Q 19 | Page 12

Factorize each of the following expression:
a2x2 + (ax2 + 1)x + a

Exercise 7.4 | Q 20 | Page 12

Factorize each of the following expression:
a(a − 2b − c) + 2bc

Exercise 7.4 | Q 21 | Page 12

Factorize each of the following expression:
a(a + b − c) − bc

Exercise 7.4 | Q 22 | Page 12

Factorize each of the following expression:
x2 − 11xy − x + 11y

Exercise 7.4 | Q 23 | Page 12

Factorize each of the following expression:
ab − a − b + 1

Exercise 7.4 | Q 24 | Page 12

Factorize each of the following expression:
x2 + y − xy − x

Exercise 7.5 [Page 17]

RD Sharma solutions for Mathematics [English] Class 8 7 Factorization Exercise 7.5 [Page 17]

Exercise 7.5 | Q 1 | Page 17

Factorize each of the following expression:
16x2 − 25y2

Exercise 7.5 | Q 2 | Page 17

Factorize each of the following expression:
27x2 − 12y2

Exercise 7.5 | Q 3 | Page 17

Factorize each of the following expression:
144a2 − 289b2

Exercise 7.5 | Q 4 | Page 17

Factorize each of the following expression:
12m2 − 27

Exercise 7.5 | Q 5 | Page 17

Factorize each of the following expression:
125x2 − 45y2

Exercise 7.5 | Q 6 | Page 17

Factorize each of the following expression:
144a2 − 169b2

Exercise 7.5 | Q 7 | Page 17

Factorize each of the following expression:
(2a − b)2 − 16c2

Exercise 7.5 | Q 8 | Page 17

Factorize each of the following expression:
(x + 2y)2 − 4(2x − y)2

Exercise 7.5 | Q 9 | Page 17

Factorize each of the following expression:
3a5 − 48a3

Exercise 7.5 | Q 10 | Page 17

Factorize each of the following expression:
a4 − 16b4

Exercise 7.5 | Q 11 | Page 17

Factorize each of the following expression:
x8 − 1

Exercise 7.5 | Q 12 | Page 17

Factorize each of the following expression:
64 − (a + 1)2

Exercise 7.5 | Q 13 | Page 17

Factorize each of the following expression:
36l2 − (m + n)2

Exercise 7.5 | Q 14 | Page 17

Factorize each of the following expression:
25x4y4 − 1

Exercise 7.5 | Q 15 | Page 17

Factorize each of the following expression:

\[a^4 - \frac{1}{b^4}\]
Exercise 7.5 | Q 16 | Page 17

Factorize each of the following expression:
x3 − 144x

Exercise 7.5 | Q 17 | Page 17

Factorize each of the following expression:
(x - 4y)2 − 625

Exercise 7.5 | Q 18 | Page 17

Factorize each of the following expression:
9(a − b)2 − 100(x − y)2

Exercise 7.5 | Q 19 | Page 17

Factorize each of the following expression:
(3 + 2a)2 − 25a2

Exercise 7.5 | Q 20 | Page 17

Factorize each of the following expression:
(x + y)2 − (a − b)2

Exercise 7.5 | Q 21 | Page 17

Factorize each of the following expression:
\[\frac{1}{16} x^2 y^2 - \frac{4}{49} y^2 z^2\]

Exercise 7.5 | Q 22 | Page 17

Factorize each of the following expression:
75a3b2 - 108ab4

Exercise 7.5 | Q 23 | Page 17

Factorize each of the following expression:
x5 − 16x3

Exercise 7.5 | Q 24 | Page 17

Factorize each of the following expression:

\[\frac{50}{x^2} - \frac{2 x^2}{81}\]
Exercise 7.5 | Q 25 | Page 17

Factorize each of the following expression:
256x5 − 81x

Exercise 7.5 | Q 26 | Page 17

Factorize each of the following expression:
a4 − (2b + c)4

Exercise 7.5 | Q 27 | Page 17

Factorize each of the following expression:
(3x + 4y)4 − x4

Exercise 7.5 | Q 28 | Page 17

Factorize each of the following expression:
p2q2 − p4q4

Exercise 7.5 | Q 29 | Page 17

Factorize each of the following expression:
3x3y − 243xy3

Exercise 7.5 | Q 30 | Page 17

Factorize each of the following expression:
a4b4 − 16c4

Exercise 7.5 | Q 31 | Page 17

Factorize each of the following expression:
x4 − 625

Exercise 7.5 | Q 32 | Page 17

Factorize each of the following expression:
x4 − 1

Exercise 7.5 | Q 33 | Page 17

Factorize each of the following expression:
49(a − b)2 − 25(a + b)2

Exercise 7.5 | Q 34 | Page 17

Factorize each of the following expression:
x − y − x2 + y2

Exercise 7.5 | Q 35 | Page 17

Factorize each of the following expression:
16(2x − 1)2 − 25y2

Exercise 7.5 | Q 36 | Page 17

Factorize each of the following expression:
4(xy + 1)2 − 9(x − 1)2

Exercise 7.5 | Q 37 | Page 17

Factorize each of the following expression:
(2x + 1)2 − 9x4

Exercise 7.5 | Q 38 | Page 17

Factorize each of the following expression:
x4 − (2y − 3z)2

Exercise 7.5 | Q 39 | Page 17

Factorize each of the following expression:
a2 − b2 + a − b

Exercise 7.5 | Q 40 | Page 17

Factorize each of the following expression:
16a4 − b4

Exercise 7.5 | Q 41 | Page 17

Factorize each of the following expression:
a4 − 16(b − c)4

Exercise 7.5 | Q 42 | Page 17

Factorize each of the following expression:
2a5 − 32a

Exercise 7.5 | Q 43 | Page 17

Factorize each of the following expression:
a4b4 − 81c4

Exercise 7.5 | Q 44 | Page 17

Factorize each of the following expression:
xy9 − yx9

Exercise 7.5 | Q 45 | Page 17

Factorize each of the following expression:
x3 − x

Exercise 7.5 | Q 46 | Page 17

Factorize each of the following expression:
18a2x2 − 32

Exercise 7.6 [Pages 22 - 23]

RD Sharma solutions for Mathematics [English] Class 8 7 Factorization Exercise 7.6 [Pages 22 - 23]

Exercise 7.6 | Q 1 | Page 22

Factorize each of the following algebraic expression:
4x2 + 12xy +9y2

Exercise 7.6 | Q 2 | Page 22

Factorize each of the following algebraic expression:
9a2 − 24ab + 16b2

Exercise 7.6 | Q 3 | Page 22

Factorize each of the following algebraic expression:
p2q2 − 6pqr + 9r2

Exercise 7.6 | Q 4 | Page 22

Factorize each of the following algebraic expression:
36a2 + 36a + 9

Exercise 7.6 | Q 5 | Page 23

Factorize each of the following algebraic expression:
a2 + 2ab + b2 − 16

Exercise 7.6 | Q 6 | Page 23

Factorize each of the following algebraic expression:
9z2 − x2 + 4xy − 4y2

Exercise 7.6 | Q 7 | Page 23

Factorize each of the following algebraic expression:
9a4 − 24a2b2 + 16b4 − 256

Exercise 7.6 | Q 8 | Page 23

Factorize each of the following algebraic expression:
16 − a6 + 4a3b3 − 4b6

Exercise 7.6 | Q 9 | Page 23

Factorize each of the following algebraic expression:
a2 − 2ab + b2 − c2

Exercise 7.6 | Q 10 | Page 23

Factorize each of the following algebraic expression:
x2 + 2x + 1 − 9y2

Exercise 7.6 | Q 11 | Page 23

Factorize each of the following algebraic expression:
a2 + 4ab + 3b2

Exercise 7.6 | Q 12 | Page 23

Factorize each of the following algebraic expression:
96 − 4x − x2

Exercise 7.6 | Q 13 | Page 23

Factorize each of the following algebraic expression:
a4 + 3a2 +4

Exercise 7.6 | Q 14 | Page 23

Factorize each of the following algebraic expression:
4x4 + 1

Exercise 7.6 | Q 15 | Page 23

Factorize each of the following algebraic expression:
4x4 + y4

Exercise 7.6 | Q 16 | Page 23

Factorize the following algebraic expression:
(x + 2)2 − 6(x + 2) + 9

Exercise 7.6 | Q 17 | Page 23

Factorize each of the following algebraic expression:
25 − p2 − q2 − 2pq

Exercise 7.6 | Q 18 | Page 23

Factorize each of the following algebraic expressions:
x2 + 9y2 − 6xy − 25a2

Exercise 7.6 | Q 19 | Page 23

Factorize each of the following algebraic expression:
49 − a2 + 8ab − 16b2

Exercise 7.6 | Q 20 | Page 23

Factorize each of the following algebraic expression:
a2 − 8ab + 16b2 − 25c2

Exercise 7.6 | Q 21 | Page 23

Factorize each of the following algebraic expression:
x2 − y2 + 6y − 9

Exercise 7.6 | Q 22 | Page 23

Factorize each of the following algebraic expression:
25x2 − 10x + 1 − 36y2

Exercise 7.6 | Q 23 | Page 23

Factorize each of the following algebraic expression:
a2 − b2 + 2bc − c2

Exercise 7.6 | Q 24 | Page 23

Factorize each of the following algebraic expression:
a2 + 2ab + b2 − c2

Exercise 7.6 | Q 25 | Page 23

Factorize each of the following algebraic expression:
49 − x2 − y2 + 2xy

Exercise 7.6 | Q 26 | Page 23

Factorize each of the following algebraic expression:
a2 + 4b2 − 4ab − 4c2

Exercise 7.6 | Q 27 | Page 23

Factorize each of the following algebraic expression:
x2 − y2 − 4xz + 4z2

Exercise 7.7 [Page 27]

RD Sharma solutions for Mathematics [English] Class 8 7 Factorization Exercise 7.7 [Page 27]

Exercise 7.7 | Q 1 | Page 27

Factorize each of the following algebraic expression:
x2 + 12x − 45

Exercise 7.7 | Q 2 | Page 27

Factorize each of the following algebraic expression:
40 + 3x − x2

Exercise 7.7 | Q 3 | Page 27

Factorize each of the following algebraic expression:
a2 + 3a − 88

Exercise 7.7 | Q 4 | Page 27

Factorize each of the following algebraic expression:
a2 − 14a − 51

Exercise 7.7 | Q 5 | Page 27

Factorize each of the following algebraic expression:
x2 + 14x + 45

Exercise 7.7 | Q 6 | Page 27

Factorize each of the following algebraic expression:
x2 − 22x + 120

Exercise 7.7 | Q 7 | Page 27

Factorize each of the following algebraic expression:
x2 − 11x − 42

Exercise 7.7 | Q 8 | Page 27

Factorize each of the following algebraic expression:
a2 + 2a − 3

Exercise 7.7 | Q 9 | Page 27

Factorize each of the following algebraic expression:
a2 + 14a + 48

Exercise 7.7 | Q 10 | Page 27

Factorize each of the following algebraic expression:
x2 − 4x − 21

Exercise 7.7 | Q 11 | Page 27

Factorize each of the following algebraic expression:
y2 + 5y − 36

Exercise 7.7 | Q 12 | Page 27

Factorize each of the following algebraic expression:
(a2 − 5a)2 − 36

Exercise 7.7 | Q 13 | Page 27

Factorize each of the following algebraic expression:
(a + 7)(a − 10) + 16

Exercise 7.9 [Pages 32 - 33]

RD Sharma solutions for Mathematics [English] Class 8 7 Factorization Exercise 7.9 [Pages 32 - 33]

Exercise 7.9 | Q 1 | Page 32

Factorize each of the following quadratic polynomials by using the method of  completing the square:
p2 + 6p + 8

Exercise 7.9 | Q 2 | Page 32

Factorize each of the following quadratic polynomials by using the method of completing the square:
q2 − 10q + 21

Exercise 7.9 | Q 3 | Page 32

Factorize each of the following quadratic polynomials by using the method of completing the square:
4y2 + 12y + 5

Exercise 7.9 | Q 4 | Page 32

Factorize each of the following quadratic polynomials by using the method of completing the square:
p2 + 6p − 16

Exercise 7.9 | Q 5 | Page 32

Factorize each of the following quadratic polynomials by using the method of completing the square:
x2 + 12x + 20

Exercise 7.9 | Q 6 | Page 32

Factorize each of the following quadratic polynomials by using the method of completing the square:
a2 − 14a − 51

Exercise 7.9 | Q 7 | Page 33

Factorize each of the following quadratic polynomials by using the method of completing the square:
a2 + 2a − 3

Exercise 7.9 | Q 8 | Page 33

Factorize each of the following quadratic polynomials by using the method of completing the square:
4x2 − 12x + 5

Exercise 7.9 | Q 9 | Page 33

Factorize each of the following quadratic polynomials by using the method of completing the square:
y2 − 7y + 12

Exercise 7.9 | Q 10 | Page 33

Factorize each of the following quadratic polynomials by using the method of completing the square:
z2 − 4z − 12

Solutions for 7: Factorization

Exercise 7.1Exercise 7.2Exercise 7.3Exercise 7.4Exercise 7.5Exercise 7.6Exercise 7.7Exercise 7.9
RD Sharma solutions for Mathematics [English] Class 8 chapter 7 - Factorization - Shaalaa.com

RD Sharma solutions for Mathematics [English] Class 8 chapter 7 - Factorization

Shaalaa.com has the CBSE Mathematics Mathematics [English] Class 8 CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. RD Sharma solutions for Mathematics Mathematics [English] Class 8 CBSE 7 (Factorization) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. RD Sharma textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Mathematics [English] Class 8 chapter 7 Factorization are Factors and Multiples, Factorisation by Taking Out Common Factors, Factorising Algebraic Expressions, Factorisation by Regrouping Terms, Factorisation Using Identities, Factors of the Form (x + a)(x + b), Dividing a Monomial by a Monomial, Dividing a Polynomial by a Monomial, Dividing a Polynomial by a Polynomial, Concept of Find the Error.

Using RD Sharma Mathematics [English] Class 8 solutions Factorization exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in RD Sharma Solutions are essential questions that can be asked in the final exam. Maximum CBSE Mathematics [English] Class 8 students prefer RD Sharma Textbook Solutions to score more in exams.

Get the free view of Chapter 7, Factorization Mathematics [English] Class 8 additional questions for Mathematics Mathematics [English] Class 8 CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.

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