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 : xy - ay - ax + a2 + bx - ab
Factorise : 3a2b - 12a2 - 9b + 36
Factorise : x2 - (b - 2)x - 2b
Factorise : (a2 − b2) c + (b2 − c2)a
Factorise : ax + 2bx + 3cx - 3a - 6b - 9c
factorise: a2 - 5a+ 6
factorise: a2 +5a - 6
factorise: 1 - 18x - 63x2
Factorise the following by grouping the terms:
4abx2 + 49aby2 + 14xy(a2 + b2)
Factorise the following by grouping the terms:
x2 - (p + q)x + pq
