## Precalculus: Mathematics for Calculus, 7th Edition

$x^{2}y^{3}(x+y)(x-y)$
Factor out the common factor $x^{2}y^{3}$: $x^{2}y^{3}(x^{2}-y^{2})$ Solve using the difference of squares: $x^{2}y^{3}(x+y)(x-y)$