Сократите дробь: 2m^2-nm/4m^2-4mn+n^2

Question

Сократите дробь: 2m^2-nm/4m^2-4mn+n^2

Answer 1

2m^2-nm/4m^2-4mn+n^2=
=m(2m-n)/(2m-n)^2=
=m/(2m-n)