Question

factorise:-
a²(b+c)-(b+c)³​

Answer 1

Step-by-step explanation:

Given:

Factorise a² (b+c)−(b+c)³

Solution:- (A) (b+c)(a²−(b+c)²)

Let b+c=x.

∴a²(b+c)−(b+c)³

=a²x−x³

⇒=x(a²−x²)

∵x=b+c

∴a²(b+c)−(b+c)³

=(b+c)(a²−(b+c)²)