SOLUTION: factor this polynomial 27r^2-12s^2

Question 425770: factor this polynomial 27r^2-12s^2
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!

When factoring, always start with the Greatest Common Factor (GCF) unless it is a 1. In this case the GCF is 3:

Now we look to other factoring techniques. In this case, the is a difference of squares so we can use the pattern to factor it:

None of the remaining factors will factor further so we are finished.

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