Advertisements
Advertisements
Question
Factorise: 7b2 - 8b + 1
Sum
Advertisements
Solution
7b2 - 8b + 1
= 7b2 - 7b - b +1
= 7b(b - 1) - 1(b - 1)
= (7b - 1)(b - 1)
shaalaa.com
Factorisation by Grouping
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise by the grouping method : a (a -4) - a + 4
Factorise : xy - ay - ax + a2 + bx - ab
Factorise : 6a2 - 3a2b - bc2 + 2c2
factorise: x2 - 10xy + 24y2
factorise: 8 + 6(a + b) - 5(a + b)2
factorise: a2 - 23a + 42
factorise: 5x2 - 4xy - 12y2
Factorise the following by grouping the terms:
15xy - 9x - 25y + 15
Factorise the following by grouping the terms:
2m3 - 5n2 - 5m2n + 2mn
Factorise the following by grouping the terms:
x2 - (p + q)x + pq
