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x2+18x+81x2−49⋅x+7x+9\frac{x^{2}+18 x+81}{x^{2}-49} \cdot \frac{x+7}{x+9} A) x+9x+7\frac{x+9}{x+7} B) x+9x−7\frac{x+9}{x-7} C) x+9(x−7)2\frac{x+9}{(x-7)^{2}} D) x−9x−7\frac{x-9}{x-7}

Question 108

Multiple Choice

x2+18x+81x2−49⋅x+7x+9\frac{x^{2}+18 x+81}{x^{2}-49} \cdot \frac{x+7}{x+9}


A) x+9x+7\frac{x+9}{x+7}

B) x+9x−7\frac{x+9}{x-7}

C) x+9(x−7) 2\frac{x+9}{(x-7) ^{2}}

D) x−9x−7\frac{x-9}{x-7}

Correct Answer:

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