Question

factorise a²-(b-c)²​

Answer 1

Answer :- (a-b+c)(a+b-c)

Solution :-

We known the identity :- a^2 - b^2 = (a - b) (a + b)

Therefore by using this identity,

[a - (b-c)][a + (b-c)]

⇒ (a - b + c) (a + b - c)