Помогите сократить:50m^2+100mn+50n^2/15m^2-15n^2

Question

Помогите сократить:50m^2+100mn+50n^2/15m^2-15n^2

Answer 1

= (50(m^2+2mn+n^2))/(15(m-n)(m+n))=(10(m+n)^2)/(3(m-n)(m+n))=10(m+n)/(3(m-n))