SOLUTION: 3X-X2/x2-9

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Question 1052458: 3X-X2/x2-9
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
The goal is to factor each piece. Then simplify by canceling common terms.


%283x-x%5E2%29%2F%28x%5E2-9%29


%28-x%28x-3%29%29%2F%28x%5E2-9%29


%28-x%28x-3%29%29%2F%28%28x-3%29%28x%2B3%29%29 Difference of squares rule


%28-x%2Ahighlight%28%28x-3%29%29%29%2F%28highlight%28%28x-3%29%29%28x%2B3%29%29


%28-x%2Across%28%28x-3%29%29%29%2F%28cross%28%28x-3%29%29%28x%2B3%29%29


%28-x%29%2F%28x%2B3%29


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%283x-x%5E2%29%2F%28x%5E2-9%29 simplifies to %28-x%29%2F%28x%2B3%29