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30-12-2017
Mathematics

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When the polynomial P(x) = 3x3 − 2x2 + kx − 12 is divided by x − 3, the remainder is 0. Which of the following is also a factor of P(x)?

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30-12-2017

[tex]27 - 12 + 3k - 12 = 0 \\ 3k + 3 = 0 \\ k = - 1[/tex]
another factor
[tex]3 {x}^{2} + 7x + 20 + \frac{48}{x - 3} [/tex]

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