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Basic Operations & Factorization
Linear Equations
Quadratic Equations

Let f(x) = x3 - 6x2 + 11x - 6.
Then, which one of the folllowing is not a factor of f(x) ? 

Answer: C. x + 3

Since x = -3 does not make (x3 - 6x2 + 11x - 6) zero,
so (x + 3) is not a factor.

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