Advertisements
Advertisements
Question
Factorise.
16x5 − 144x3
Sum
Advertisements
Solution
16x5 − 144x3
= 16x3(x2 − 9)
On writing it as follows:
= 16x3 [(x)2 − (3)2]
Using the identity a2 − b2 = (a − b) (a + b)
= 16x3 (x − 3) (x + 3)
= a2 − b2
= (a − b) (a + b)
shaalaa.com
Is there an error in this question or solution?
RELATED QUESTIONS
Factorise the following expression.
p2 − 10p + 25
Factorise the following expression.
121b2 − 88bc + 16c2
Factorise.
49x2 − 36
Factorise.
(l + m)2 − (l − m)2
Factorise the expression.
7p2 + 21q2
Factorise the expression.
6xy − 4y + 6 − 9x
Factorise.
p4 − 81
Factorise the given expression.
q2 − 10q + 21
Factorise the given expression.
p2 + 6p − 16
Factorise the following expression:
2a² + 4a²b + 8a²c
