Question

Сократите дробь, даю 30 баллов​

Answer 1

(x-y)(x+y)/(3x+3y-2x^2-2xy) = (x+y)(x-y)/(3(x+y)-2x(x+y))=(x+y)(x-y)/(x+y)(3-2x) = (x-y)/(3-2x)