If the function f fx x3 2x2 qx - 6 is divisible...

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If the function f(fx) = x³ + 2x² + qx - 6 is divisible by x + 1, find q

Correct Option: A

x + 1 = 0, x = -1; f(x) = x³ + 2x² + qx - 6

0 = -1 + 2 - q - 6

q = -5