Question

m 5m - 5n m² -n n 2 n n​

Answer 1

Ответ:

(^.^)(^.^)(^.^)(^.^)(^.^)

Answer 2

$\displaystyle \frac{5m-5n}{n}:\frac{m^2-n^2}{n^2}=\frac{5(m-n)}{n}*\frac{n^2}{m^2-n^2}=5(m-n)*\frac{n}{(m-n)(m+n)}=\\\\5*\frac{n}{m+n}=\frac{5n}{m+n}$