Advertisements
Advertisements
Question
Factorise by the grouping method : a2 + b - ab - a
Sum
Advertisements
Solution
a2 + b - ab - a = a2 - a + b - ab
= a( a - 1) + b( 1 - a )
= a(a - 1) - b(a - 1)
= (a -1)(a - b)
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 by the grouping method : a (a -4) - a + 4
Factorise by the grouping method : y2 - (a + b) y + ab
Factorise using the grouping method :
x (6x - 5y) - 4 (6x - 5y)2
Factorise : ab - 2b + a2 - 2a
Factorise : xy - ay - ax + a2 + bx - ab
factorise: a2 + 5a + 6
factorise: a2 - 5a+ 6
Factorise the following by grouping the terms:
x(x - 4)- x + 4
Factorise the following by grouping the terms:
p2x2 + (px2 + 1)x + p
