Сократите дробь y (x+2)(y-3) / x^2 (x+2)y^2

Question

Сократите дробь y (x+2)(y-3) / x^2 (x+2)y^2

Answer 1

Y(x+2)(y-3) / x^2(x+2)y^2 = y(y-3) / x^2y^2 = (y-3) / yx^2 = y/yx^2 - 3/yx^2 = x^-2 - 3/yx^2