SOLUTION: Factor 27r2-12s2

Question 84164: Factor 27r2-12s2
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Factor:
First, factor out a 3.
Now, do you see that the parentheses contain the difference of two squares?
The difference of two squares can be factored thusly:
Applying this to your problem:
So...

Do you see how it works?
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