Помогите сократить дробь.

Question

Помогите сократить дробь.

Answer 1

(x²-y²)/(x+y)²=(x-y)(x+y)/(x+y)²=(x-y)/(x+y)

Answer 2

(x2-y2):(x+y)2=(x-y)(x+y):(x+y)2=(x-y):(x+y)