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How do you use synthetic substitution to find x=-5 for $P (x) = x^{3} + 4 x^{2} - 8 x - 6$ $P(x) = x^3 + 4x^2 - 8x - 6$ ?

1 Answer

Dec 1, 2017

$x^{2} - x - 3$ $x^2-x-3$
$R = 9$ $R=9$

Explanation:

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