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

Question

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

Answer 1

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

Comments

спасибо