Question

simplify these please I will give you 10 points​

Answer 1

Step-by-step explanation:

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

m^3-n^3=(m-n)(m^2+n^2+mn)

(m-n)(m+n)(m^2+mn+n^2)/(m+n)^2(m-n)(m^2+n^2+mn)

=1/m+n