SOLUTION: How do I find the difference of this: 4/ (m+2) - 3m/ (m-3) I know I have to find common denominators but how do I do that? Thanks! -Kim

SOLUTION: How do I find the difference of this: 4/ (m+2) - 3m/ (m-3) I know I have to find common denominators but how do I do that? Thanks! -Kim

Algebra.Com

Question 287789: How do I find the difference of this:
4/ (m+2) - 3m/ (m-3)
I know I have to find common
denominators but how do I do that?
Thanks!
-Kim
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
The final denominator will be (m+2)*(m-3)
4(m-3)/(m+2)*(m-3)-3m*(m+2)/(m+2)*(m-3)
(4m-12-3m^2-6m)/(m+2)*(m-3)
Believe it or not this is the final mess.
I think it looked better before we did anything.
(-3m^2-2m-12)/(m+2)*(m-3)

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