Advertisements
Advertisements
Question
factorise: 6 + 7b - 3b2
Sum
Advertisements
Solution
6 + 7b - 3b2
= 6 + 9b - 2b - 3b2
= 3(2 + 3b) - b(2 + 3b)
= (2 + 3b)(3 - b)
shaalaa.com
Factorisation by Grouping
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise by the grouping method : (2a-b)2 -10a + 5b
Factorise by the grouping method : a (a -4) - a + 4
Factorise using the grouping method :
m (x - 3y)2 + n (3y - x) + 5x - 15y
Factorise : 2ab2 - aby + 2cby - cy2
factorise: x2 + 4x + 3
factorise: a2 + 5a + 6
Factorise: 7b2 - 8b + 1
factorise: 8 + 6(a + b) - 5(a + b)2
factorise: 12(a + b)2 - (a+ b) - 35
Factorise the following by grouping the terms:
`"p"^2 + (1)/"p"^2 - 2 - 5"p" + (5)/"p"`
