Question

Answer 1

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

`=(x-y)(x-y)^2 =(x-y)^3`

`= x^3 -3x^2y +3xy^2 -y^3`

Answer 2

\(d,\left(x-y\right)\left(x^2+2xy+y^2\right)\)

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

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

\(#Hancutii\)

Answer 3