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12-07-2015
Mathematics

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What is the product of the rational expressions below? x-9/x-2*x+9/x+2

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xiazha2 xiazha2

12-07-2015

[tex] \frac{(x-9)(x+9)}{(x-2)(x+2)} [/tex]

[tex] \frac{x^2-81}{x^2-4} [/tex]

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