- Factoring cubic polynomialsChoice D
$$ P(x)=x^2(x-10)+9(x-10) $$

$$ =(x-10)(x^2+9)=0 $$

$$ \therefore x=10 $$

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- Factoring cubic polynomialsChoice D
$$ P(x)=x^2(x-10)+9(x-10) $$

$$ =(x-10)(x^2+9)=0 $$

$$ \therefore x=10 $$

## Skills you are tested for:

Was this explanation helpful?

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