SOLUTION: how to factor: 5m^2-4m-1

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Question 816918: how to factor:
5m^2-4m-1

Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
5m^2-4m-1
you want to find factors of -5 which add up to -4
-5 and +1
split -4m into -5m +1m
5m^2-5m+1m-1
5m*(m-1)+1(m-1)
(5m+1)^(m-1)

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