Выполните действие: (x/y-y/x)*5xy/x-y

Question

Выполните действие: (x/y-y/x)*5xy/x-y

Comments

Это дробь

Answer 1

(x/y-y/x)*5xy/(x-y)=
=(x²-y²)*5xy/(x-y)=
=(x-y)(x+y)*5xy/(x-y)=
=(x+y)*5xy=
=5x²y+5xy²

Comments

ошибка выполнено не верно