Question #6405765Single Choice

Algebra-2

Question

How can we check if (x+3) is a factor of f(x)=x³−7x²+9x−12 without doing polynomial division?

Use the Factor Theorem and see if f (3) =0.

Use the Factor Theorem and see if f(−3)=0.

Use the quadratic formula and see if x=−3 is an answer.

It can't be done.

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