Advertisements
Advertisements
Question
Factorise by the grouping method : ab - 2b + a2 - 2a
Sum
Advertisements
Solution
ab - 2b + a2 - 2a = b( a - 2 ) + a( a - 2 )
= ( a + b )( a - 2 )
shaalaa.com
Factorisation by Grouping
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise by the grouping method : a2 + b - ab - a
Factorise : 3a2b - 12a2 - 9b + 36
Factorise : a3 - a2 - ab + a + b - 1
Factorise : ax + 2bx + 3cx - 3a - 6b - 9c
Factorise : 2ab2c - 2a + 3b3c - 3b - 4b2c2 + 4c
Factorise: 7b2 - 8b + 1
factorise: 2a2 - 17ab + 26b2
Factorise: 2(x + 2y)2 − 5(x + 2y) + 2
factorise: x(3x + 14) + 8
Factorise the following by grouping the terms:
`(1)/(25x^2) + 16x^2 + (8)/(5) - 12x - (3)/(5x)`
