SOLUTION: 2m 7m -- + -- m-1 m+4 how do u add this

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Question 200577: 2m 7m
-- + --
m-1 m+4
how do u add this
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2m 7m
-- + --
m-1 m+4
[2m(m+4)+7m(m-1)]/(m-1)(m+4)
[2m^2+8m+7m^2-7m]/(m^2+3m-4)
(9m^2+m)/(m^2+3m+4)
m(9m+1)/(m^2+3m+4) ans.