Factor y^4+x^2y^5

$y^{4} + x^{2} y^{5}$

Multiply by $1$ .

$y^{4} \cdot 1 + x^{2} y^{5}$

Factor $y^{4}$ out of $x^{2} y^{5}$ .

$y^{4} \cdot 1 + y^{4} (x^{2} y)$

Factor $y^{4}$ out of $y^{4} \cdot 1 + y^{4} (x^{2} y)$ .

$y^{4} (1 + x^{2} y)$