SOLUTION: Could you show me how to factor out 81m^2-16n^2

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Question 138722: Could you show me how to factor out 81m^2-16n^2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
factor out 81m^2-16n^2
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= (9m+4n)(9m-4n)
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Cheers,
Stan H.