SOLUTION: Factor by using grouping 9m^3+4mn-9m^2-4n

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Question 191717: Factor by using grouping

9m^3+4mn-9m^2-4n
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Factor by grouping:
9m%5E3%2B4mn-9m%5E2-4n Group the terms as shown:
%289m%5E3%2B4mn%29-%289m%5E2%2B4n%29 Factor m from the first group.
m%289m%5E2%2B4n%29-%289m%5E2%2B4n%29 Now factor the common factor %289m%5E2%2B4n%29from each term:
highlight%28%289m%5E2%2B4n%29%28m-1%29%29...and there it is!