SOLUTION: How would I simplify 12-3x^2/x^2-x-2?

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Question 476641: How would I simplify 12-3x^2/x^2-x-2?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
It depends on what's the NUM and what's the DEN.
Add some parentheses.
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%2812-3x%5E2%29%2F%28x%5E2-x-2%29
= %283%284-x%5E2%29%29%2F%28%28x-2%29%2A%28x%2B1%29%29
= %283%282-x%29%2A%282%2Bx%29%29%2F%28%28x-2%29%2A%28x%2B1%29%29
= %28-3%28x-2%29%2A%282%2Bx%29%29%2F%28%28x-2%29%2A%28x%2B1%29%29
= -3%282%2Bx%29%2F%28x%2B1%29