The equation needs to be fully factored and I need some help

Answer:
[tex]4y^2(y+4)(y-4)[/tex]
Step-by-step explanation:
Factor [tex]4y^2[/tex] out of the equation
[tex]4y^2(y^2-16)[/tex]
Rewrite 16 as [tex]4^2[/tex]
Factor.
[tex]4y^2(y+4)(y-4)[/tex]
hope this helps :)