Question

2x³-3x²+4x+5 by g(x) =x+2​

Answer 1

Answer:

$2 {x}^{3} - 3 {x}^{2} + 4x + 5 = f(x) \\ g(x) = x + 2 \\ x + 2 = 0 \\ x = - 2 \\ 2 ( - 8) - 3(4) + 4( - 2) + 5 = - 16 - 12 - 8 + 5 \\ = - 16 - 20 + 5 \\ = - 36 + 5 \\ - 31$

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