Question

Factorise a^3+3a^2b+3b^2a+2b^3

Answer 1

Answer:

(a+b)^3+b

Step-by-step explanation:

this is an identity:-

(a+b)^3=a^3+3a^2b+3b^2a+b^3

the answer for this is (a+b)^3

if you want the answer for

a^3+3a^2b+3b^2a+2b^3

the answer is (a+b)^3 +b