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3 years ago

If f(x)=×^2-81andg(x)

Mathematics

1 answer:

defon3 years ago

3 0

9514 1404 393

Answer:

the correct choice is marked

Step-by-step explanation:

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

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If f(x)=×^2-81andg(x)​

If f(x)=×^2-81andg(x)