If the function f(fx) = x3 + 2x2 + qx - 6 is divisible by x + 1, find q
A
-5
B
-2
C
2
D
5
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
x + 1 = 0, x = -1; f(x) = x3 + 2x2 + qx - 6
0 = -1 + 2 - q - 6
q = -5
Source: Myschool Past Questions Archive (Record #30799)