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Use the Factor Theorem to show that x − c is a factor of P(x) for...

Use the Factor Theorem to show that x − c is a factor of P(x) for the given values of c.

P(x) = 5x4 − 13x3 − 39x2 + 117x − 54; c = −3, c = 3

Since

P(−3) =  and P(3) =  , x + 3 and x − 3

are factors of P(x) by the Factor Theorem.

Math   Precalculus   
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