Advertisements
Advertisements
Question
Factorise by the grouping method : (2a-b)2 -10a + 5b
Sum
Advertisements
Solution
( 2a - b)2 - 10a + 5b
= ( 2a - b )2 - 5( 2a - b )
= ( 2a - b )( 2a - b - 5 )
shaalaa.com
Factorisation by Grouping
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise by the grouping method :
`a^2 + 1/a^2 - 2 - 3a + 3/a`
Factorise : x2 - (a - 3)x - 3a
factorise: a2 - 5a+ 6
factorise: 5 + 7x - 6x2
factorise: (2a + b)2 + 5(2a + b) + 6
factorise: 1 - 18x - 63x2
factorise: 12(a + b)2 - (a+ b) - 35
Factorise the following by grouping the terms:
8(2a + b)2 - 8a -4b
Factorise the following by grouping the terms:
9x3 + 6x2y2 - 4y3 - 6xy
Factorise the following by grouping the terms:
3ax2 - 5bx2 + 9az2 + 6ay2 - 10by2 - 15bz2
