SOLUTION: Factor completely: 3m^2 - 3n^2

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Question 480984: Factor completely: 3m^2 - 3n^2
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Factor completely: 

3m^2 - 3n^2 = 3(m^2-n^2) = 3(m-n)(m+n)

                  F	First terms   m^2

                  O	Outside terms +mn

                  I	Inside terms  -mn

                  L	Last terms  -n^2