Advertisements
Advertisements
Question
factorise: 5 + 3a - 14a2
Sum
Advertisements
Solution
5 + 3a - 14a2
5 + 10a - 7a - 14a2
= 5(1 + 2a) - 7a (1 + 2a)
= (1 + 2a) (5 - 7a)
shaalaa.com
Factorisation by Grouping
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise by the grouping method : a2 + b - ab - a
Factorise by the grouping method : (ax + by)2 + (bx - ay)2
Factorise : a2 + ax + ab + bx
Factorise : ab - 2b + a2 - 2a
Factorise : (a2 − b2) c + (b2 − c2)a
Factorise : 2ab2 - aby + 2cby - cy2
factorise: 1 − (2x + 3y) − 6(2x + 3y)2
factorise: 5 - 4x(1 + 3x)
Factorise the following by grouping the terms:
15xy - 9x - 25y + 15
Factorise the following by grouping the terms:
4abx2 + 49aby2 + 14xy(a2 + b2)
