Question

2n-5m/m – 6n^2+5m^2/mn
Срочно помогите!!!

Answer 1

$frac{2n-5m}{m} - frac{6n^{2}+5m^{2}}{mn}= frac{n(2n-5m)-6n^{2}-5m^{2} }{mn}= frac{2n^{2}-5mn-6n^{2}-5m^{2}}{mn}=$$frac{-4n^{2}-5mn-5m^{2}}{mn}$