Advertisements
Advertisements
Question
Factorise : x2 - (b - 2)x - 2b
Sum
Solution
x2 - (b - 2)x - 2b
= x2 - bx + 2x - 2b
= x (x - b) + 2(x - b)
= (x - b) (x + 2)
shaalaa.com
Factorisation by Grouping
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise by the grouping method: 16 (a + b)2 - 4a - 4b
Factorise by the grouping method : a2 + b - ab - a
Factorise : 3x5 - 6x4 - 2x3 + 4x2 + x - 2
Factorise : a3 - a2 - ab + a + b - 1
Factorise : 2ab2c - 2a + 3b3c - 3b - 4b2c2 + 4c
factorise: x2 + 4x + 3
factorise: x2 + 5xy + 4y2
factorise: 2x2 + xy - 6y2
factorise: 1 - 18x - 63x2
Factorise the following by grouping the terms:
9x3 + 6x2y2 - 4y3 - 6xy
