Advertisements
Advertisements
Question
Factorise the following by grouping the terms:
15xy - 9x - 25y + 15
Sum
Advertisements
Solution
15xy - 9x - 25y + 15
= (15xy - 9x) - (25y + 15)
= 3x(5y - 3) - 5(5y - 3)
= (5y - 3)(3x - 5).
shaalaa.com
Factorisation by Grouping
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise by the grouping method:
ab (x2 + 1) + x (a2 + b2)
Factorise : a2 - ab - ca + bc
Factorise : ax + 2bx + 3cx - 3a - 6b - 9c
factorise: a2 − 3a − 40
factorise: x2 - x - 72
factorise: 2a2 + 7a + 6
factorise: (2a + b)2 + 5(2a + b) + 6
factorise: 5 - 4x(1 + 3x)
factorise: b(c - d)2 + a(d - c) + 3(c - d)
factorise: 1 - 3x - 3y - 4(x + y)2
