Pojalusta pomogite reshit primer: m^3-mn^2+n^3-nm^2

Question

Pojalusta pomogite reshit primer:
m^3-mn^2+n^3-nm^2

Answer 1

M^2(m-n)+n^2(n-m)=m^2(m-n)-n^2(m-n)=(m-n)(m^2-n^2)