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Factor: x^3-2x^2-9x+18.

Factor: x^3-2x^2-9x+18.-example-1

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x {}^(2) (x - 2) - 9(x - 2) \\ \\ (x - 2)(x {}^(2) - 9) \\ \\ (x - 2)(x - 3)(x + 3)
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