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OpenStudy (anonymous):
Could someone please help check the answer to these few questions, and make sure they are right? 1. Simplify x over 4 x + x^2 is the answer 1 over x + 4; where x =/ -4, 0 2. Simplify x + 7 over x^2 + 4x - 21 is the answer 1 over x - 3 3. -14x^3 over x^3 - 5x^4 is the answer -14 over 5x - 1 4. Simplify x^2 + 3x - 21 over x + 2 is the answer x - 5 5. Multiply k + 3 over 4k - 2 times (12k^2 + 2k - 4) is the answer 3(k + 3) over 3k + 2 Thank you !!!
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