Question

(X^2+y^2) (x+y) (x-y)

Answer 1

it is helpful for you

Answer 2

(X2+Y2)(x+y)(x-y)

(x2+y2)(x2-xy+xy-y2)

(x2+y2)(x2-y2)

x4-x2y2+y2x2-y4..

x4 - y4...

I HOPE IT WILL HELP YOU:-):-):-);-);-)