Advertisements
Advertisements
Question
Factorise the following:
7(x - 2)2 - 13(x - 2) - 2
Sum
Advertisements
Solution
7(x - 2)2 - 13(x - 2) - 2
= 7(x - 2)2 - 14(x - 2) + (x - 2) - 2
= 7(x - 2)(x - 2 - 2) + 1(x - 2 - 2)
= 7(x - 2)(x - 4) + 1(x - 4)
= (x - 4)[7(x - 2) + 1]
= (x - 4)(7x - 14 + 1)
= (x - 4)(7x - 13).
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Factorise.
5y2 + 5y − 10
Factorise.
p2 − 2p − 35
Factorise : x2 - 3ax - 88a2
Factorise:
a(3a - 2) - 1
Factorise : `1/35 + 12/35a + a^2`
Factorise the following:
2x3 + 5x2y - 12xy2
Factorise the following:
x2y2 + 15xy - 16
Factorise the following:
(x + 4)2 - 5xy - 20y - 6y2
Factorise the following:
12 - (y + y2)(8 - y - y2)
Factorise the following:
(y2 - 3y)(y2 - 3y + 7) + 10
