Question

2x-2y/y*3y^2/x^2-y^2

Упростите выражение

Answer 1

$frac{2x-2y}{y} * frac{ 3y^{2} }{ x^{2} - y^{2} } = frac{2(x-y)}{y} * frac{ 3y^{2} }{ (x-y)(x+y) } = frac{6y}{x+y}$