Advertisements
Advertisements
Question
Factorise the following by grouping the terms:
9x3 + 6x2y2 - 4y3 - 6xy
Sum
Solution
9x3 + 6x2y2 - 4y3 - 6xy|
= 9x3 + 6x2y2 - 6xy - 4y3
= (9x3 + 6x2y2) - (6xy + 4y3)
= 3x2(3x + 2y2) - 2y(3x + 2y2)
= (3x + 2y2)(3x2 - 2y).
shaalaa.com
Factorisation by Grouping
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise by the grouping method:
ab (x2 + 1) + x (a2 + b2)
Factorise : a2 + ax + ab + bx
Factorise : - x2y - x + 3xy + 3
Factorise : ax + 2bx + 3cx - 3a - 6b - 9c
factorise: 2a2 - 17ab + 26b2
factorise: 8 + 6(a + b) - 5(a + b)2
factorise: x(3x + 14) + 8
factorise: (3x - 2y)2 - 5(3x - 2y) - 24
Factorise the following by grouping the terms:
4abx2 + 49aby2 + 14xy(a2 + b2)
Factorise the following by grouping the terms:
2a + b + 3c - d + (2a + b)3 + (2a + b)2(3c - d)
