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OpenStudy (anonymous):
Simplify the following rational function: 2x^2-6x/x^2+18x+81multiplied by 9x+81/x^2-9
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OpenStudy (anonymous):
life will be easier if you factored first
OpenStudy (anonymous):
\[2x * (x - 3))/(x + 9)^2 * 9 * (x + 9)/ (x - 3)(x+3)\] Cancel out x - 3 and x + 9 \[18x/(x-3)(x+9) \] OR \[18x/(x^2 +6x-27)\]
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