Question

Factor the expression completely.

xy^4-y^2

Answer 1

Answer:  (xy^2 +  y)(xy^2 - y)

Step-by-step explanation:

Answer 2

Answer:

$y^2(xy^2-1)$

Step-by-step explanation:

1) look at the two terms and see if they have a GCF

*both terms have a gcf of y^2*

So

y^2(xy^2-1)

Hope this helps!