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 : a2 - ab - ca + bc
Factorise:
2a − 4b − xa + 2bx
Factorise : 3x5 - 6x4 - 2x3 + 4x2 + x - 2
factorise: x2 + 6x + 8
factorise: x2 + 4x + 3
factorise: 1 − (2x + 3y) − 6(2x + 3y)2
factorise: 3a2x - bx + 3a2 - b
Factorise the following by grouping the terms:
4abx2 + 49aby2 + 14xy(a2 + b2)
Factorise the following by grouping the terms:
`(1)/(25x^2) + 16x^2 + (8)/(5) - 12x - (3)/(5x)`
Factorise the following by grouping the terms:
2p(a2 - 2b2) -14p + (a2 - 2b2)2 - 7(a2 - 2b2)
