Solve: $- 4 x^{3} + 3 x^{2} + 11 x - 9$ for $x = - 2$

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Solution

On simplification of $- 4 x^{3} + 3 x^{2} + 11 x - 9$ for $x = - 2$
we get $- 4 (- 2)^{3} + 3 (- 2)^{2} + 11 (- 2) - 9 = 13$

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