Question

помогите решить
домашнюю

Answer 1

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

(x-y)(x+y) / x(x-y) = x+y / x

Answer 2

(x²-y²)/(x²-xy)=((x-y)(x+y))/(x(x-y))
x-y сокращаем, остаётся
(x+y)/x

Удачи!