Factor Completely $x^{4} y^{5}-x^{3} y^{7}$ A) $x^{3} y^{5}(x-y)(x+y)$ B) $x^{3} y^{5}\left(x-y^{2}\right)$ C) $x^{4} y^{5}\left(1-x y^{2}\right)$

Multiple Choice

Factor completely. If the polynomial cannot be factored, write "prime."
- $x^{4} y^{5}-x^{3} y^{7}$

A) $x^{3} y^{5}(x-y) (x+y)$
B) $x^{3} y^{5}\left(x-y^{2}\right)$
C) $x^{4} y^{5}\left(1-x y^{2}\right)$
D) $x^{4} y^{7}\left(x-y^{2}\right)$