Question

If f(x)=×^2-81andg(x)​

Answer 1

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Answer:

the correct choice is marked

Explanation:

`f(x)\cdot g(x)=(x^2-81)(x+9)/(x-9)=((x-9)(x+9)(x+9))/((x-9))\\\\=\boxed{(x+9)^2}`