Question

factorise completely
(a-b)^3+(a-b)^2​

Answer 1

Take (a-b)^2 common from the given expression.

(a-b)^3 + (a-b)^2 = (a-b)^2{a-b+1}

= (a-b)(a-b)(a-b+1)

Answer 2

Answer:

a^3-3a^2b-3ab^2+b^3+a^+2ab+b^2