Question

a(a+b)^3-3a^2b(a+b). pls tell me the answer

Answer 1

Answer:

(a+b)[a(a+b)^2 - 8a^2b]

(a+b)[a{(a+b)^2-8ab}]

(a+b)[a{a^2+b^2+4ab-8ab}]

(a+b)[a(a^2+b^2-4ab)]

(a+b)(a(a-b)^2)

hope it helps...