Question

(m+n)(m2-mn+n2) (m-n) simplify

Answer 1

[m2 -n2] [m2-n2]  ans  




Hope it helped you

Answer 2

just follow the following solution i hope it could be right
$(m+n)(m^2+n^2-mn)(m-n)=(m^2-n^2)(m^2+n^2-mn)$
$m^4-n^4+mn^3-m^3n+m^2n^2-m^2n^2=m^4-n^4+mn^3-m^3n$
$m(m^3+n^3)-n(m^3+n^3)=(m-n)(m^3+n^3)$