Question

(x^2-y^2) / (x+y)^2        cократить дробь.

Answer 1

(x^2-y^2) / (x+y)^2  

(x-y)(x+y) / (x+y)^2  

(x-y)/(x+y)

 

Answer 2

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