SOLUTION: simplify this rational expression: x -3 ----------- x^2 + 2x – 15

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Question 764169: simplify this rational expression:
x -3
-----------
x^2 + 2x – 15

Found 2 solutions by fcabanski, Cromlix:
Answer by fcabanski(1391) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2+%2B+2x+%96+15= (x+5)(x-3)


%28x-3%29+%2F+%28x-3%29%28x%2B5%29+=+1%2F%28x%2B5%29


Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
x -3
-----------
x^2 + 2x – 15
x - 3
------
(x - 3)(x + 5)
Cancel out the x- 3's top and bottom
1
----
x + 5

Hope this helps.
:-)