Advertisements
Advertisements
Question
Factorise the following:
5 - 4(a - b) - 12(a - b)2
Advertisements
Solution
5 - 4(a - b) - 12(a - b)2
= 5 - 10(a - b) + 6(a - b) - 12(a - b)2
= 5[1 - 2(a - b)] + 6(a - b)[1 - 2(a - b)]
= [5 + 6(a - b)][1 - 2(a - b)]
= (5 + 6a - 6b)(1 - 2a + 2b).
APPEARS IN
RELATED QUESTIONS
Factorise.
x2 + 9x + 18
Factorise : a2 - 3a - 40
Factorise:
a(3a - 2) - 1
Factorise: 5 - (3a2 - 2a) (6 - 3a2 + 2a)
Give possible expressions for the length and the breadth of the rectangle whose area is 12x2 - 35x + 25
Find trinomial (quadratic expression), given below, find whether it is factorisable or not. Factorise, if possible.
3x2 + 4x - 10
Factorise the following by splitting the middle term:
x2 + 6x + 8
Factorise the following by splitting the middle term:
x2 + 5x - 6
Factorise the following:
x3y3 - 8x2y2 + 15xy
Factorise the following:
12(2x - 3y)2 - 2x + 3y - 1
