Advertisements
Advertisements
Question
Factorise the following:
5(3x + y)2 + 6(3x + y) - 8
Advertisements
Solution
5(3x + y)2 + 6(3x + y) - 8
= 5(3x + y)2 + 10(3x + y) - 4(3x + y) - 8
= 5(3x + y)(3x + y + 2) - 4(3x + y + 2)
= (3x + y + 2)[5(3x + y) - 4].
APPEARS IN
RELATED QUESTIONS
Factorise.
y2 + 24y + 144
Factorise.
5y2 + 5y − 10
Factorise:
(2a + b)2 - 6a - 3b - 4
Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
2x2 - 7x - 15
Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
2x2 + 2x - 75
Factorise the following by splitting the middle term:
3x2 + 19x - 14
Factorise the following by splitting the middle term:
12 + x - 6x2
Factorise the following by splitting the middle term:
7x2 + 40x - 12
Factorise the following:
(2p + q)2 - 10p - 5q - 6
Factorise: 2x2 + 5x - 18
