Question

y(x-y)(x+y)

Answer 1

\(y\left(x-y\right)\left(x+y\right)\\ =y\left(x^2-y^2\right)\\ =x^2y-y^3\)

Answer 2

\(y\left(x-y\right)\left(x+y\right)\)

\(=y\left(x^2-y^2\right)\)

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

Answer 3

\(y\left(x+y\right)\left(x-y\right)\)

\(=y\left(x^2-y^2\right)\)

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