Question

(m + n)3 - (m - n)3​

Answer 1

Answer:

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

a=m+n,b=m-n

=(m+n-m+n){(2m)^2 +(2n)^2 + mn)

Step-by-step explanation:

=2m(4m^2+4n^2+ mn)

Solve it to get the answer

hope it helps