Factorise: 7b2 - 8b + 1 - Mathematics

Factorise: 7b² - 8b + 1

Sum

7b² - 8b + 1

= 7b² - 7b - b +1

= 7b(b - 1) - 1(b - 1)

= (7b - 1)(b - 1)

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Factorisation by Grouping

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Chapter 13: Factorisation - Exercise 13 (D) [Page 161]

Chapter 13 Factorisation
Exercise 13 (D) | Q 12 | Page 161

Factorise by the grouping method : (ax + by)² + (bx - ay)²

Factorise : ab² - (a - c) b - c

Factorise : (a² − b²) c + (b² − c²)a

factorise: 2a² - 17ab + 26b²

factorise: 4c² + 3c - 10

factorise: 6 + 7b - 3b²

Factorise the following by grouping the terms:
15x² + 7y - 3x - 35xy

Factorise the following by grouping the terms:
3ax² - 5bx² + 9az² + 6ay² - 10by² - 15bz²

Factorise the following by grouping the terms:

`"p"^2 + (1)/"p"^2 - 2 - 5"p" + (5)/"p"`

Factorise the following by grouping the terms:
x + y + m(x + y)