Which of the following functions has a factor of x + 6?
A: F(x)= x^3 + 12x^2 + 20x - 96
B: F(x)= x^3 + 12x^2 + 20x - 90
C: F(x)= x^3 + 0x^2 - 52x + 96
D: F(x)= x^3 + 0x^2 - 52x + 90
by the Remainder Theorem, if F(-6)=0 then x+6 is a factor
so plug and chug.