SOLUTION: Factor completely. Show all work necessary. 25y^2 - 16

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Question 325862: Factor completely. Show all work necessary.
25y^2 - 16

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
This is a difference of two squares which factors like this,
Z%5E2-A%5E2=%28Z%2BA%29%28Z-A%29
In this case,
Z%5E2=25y%5E2
Z=5y
.
.
.
A%5E2=16
A=4
So then,
25y%5E2-16=%285y-4%29%285y%2B4%29