SOLUTION: 18x/x^2-5x-36 + 2x/x+4 I am not sure how to add rational equations. I was told to take the number that is largest and use it as the common denominator. Does the largest number h

Question 158074: 18x/x^2-5x-36 + 2x/x+4
I am not sure how to add rational equations. I was told to take the number that is largest and use it as the common denominator. Does the largest number have to have a variable with it? Please show me how to work this out. Thanks so much!
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Simplify:
Did I get this right? If so, then factor the denominator of the first fraction.
The common denominator is so multiply the second fraction by: to get:
Perform the indicated addition.
Simplify.

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