SOLUTION: 25x^2- 144 Factor completely. Show all work necessary please i am having a hard time understanding

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Question 327041: 25x^2- 144
Factor completely. Show all work necessary please i am having a hard time understanding

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
THis is a difference of two squares.
You factor it like this,
Z%5E2-A%5E2=%28Z%2BA%29%28Z-A%29
In this case,
Z%5E2=25x%5E2
Z=5x
.
.
A%5E2=144
A=12
.
.
Substituting,
25x%5E2-144=%285x%2B12%29%285x-12%29