Advertisements
Advertisements
Question
Factorise by the grouping method : ab - 2b + a2 - 2a
Sum
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 : a3 + a - 3a2 - 3
Factorise by the grouping method : a2 + b - ab - a
Factorise : x2 - (a - 3)x - 3a
Factorise : a3 - a2 - ab + a + b - 1
factorise: a2 − 3a − 40
factorise: 4 + y - 14y2
factorise: (x - 2y)2 - 12(x - 2y) + 32
factorise: 8 + 6(a + b) - 5(a + b)2
factorise: x2y2 - 3xy - 40
Factorise the following by grouping the terms:
8x3 - 24x2y + 54xy2 -162y3
