SOLUTION: Factor completely. 16z^4-y^4z^4

Algebra ->  Distributive-associative-commutative-properties -> SOLUTION: Factor completely. 16z^4-y^4z^4      Log On


   

Question 328249: Factor completely.
16z^4-y^4z^4
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
First factor, then look for a difference of two squares.
16z%5E4-y%5E4z%5E4=z%5E4%2816-y%5E4%29
16z%5E4-y%5E4z%5E4=z%5E4%284-y%5E2%29%284%2By%5E2%29
16z%5E4-y%5E4z%5E4=z%5E4%282-y%29%282%2By%29%284%2By%5E2%29