Question

Помогите упростить пример

Answer 1

4a^+2ax-2ax-x^+x^=4a^
m-n^+m+n^-2m^=-2m^

Answer 2

4а^2-х^2 +х^2 =4а^2
m^2 - 2mn+n^2 +m^2 +2mn+n^2 - 2m^2 =2n^2