Question

Выполните действия.
X^2-y^2/3x^2•6x/y^2+xy

Answer 1

(x²-y²)/3x² . 6x/(y²+xy)=(x+y)(x-y)/3x² . 6x/y(y+x)=
=(x+y)(x-y).6x/3x².y.(x+y)=(x-y).2/xy=(2x-2y)/xy