SOLUTION: please simplify the following expressions: (4m^2-9n^2)-(5m^2-12mn+9n^2)

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Question 73530: please simplify the following expressions: (4m^2-9n^2)-(5m^2-12mn+9n^2)
Answer by tazoftroy(22) About Me  (Show Source):
You can put this solution on YOUR website!
This factors into:
%282m%2B3n%29%282m-3n%29%285m%5E2-12mn%2B9n%5E2%29
The first part of the equation can be factored by using the difference of squares. The next part, however, is unfactorable so it stays as is.