Factor x^4y^4-y^5

$x^{4} y^{4} - y^{5}$

Factor $y^{4}$ out of $x^{4} y^{4}$ .

$y^{4} x^{4} - y^{5}$

Factor $y^{4}$ out of $- y^{5}$ .

$y^{4} x^{4} + y^{4} (- y)$

Factor $y^{4}$ out of $y^{4} x^{4} + y^{4} (- y)$ .

$y^{4} (x^{4} - y)$