Answer:
A. x^2 - 6x - 16
Step-by-step explanation:
FOIL it
x * x = x^2
2 * x = 2x
-8 * x = -8x
2 * -8 = -16
x^2 + 2x - 8x - 16. combine like terms
x^2 - 6x - 16
A
expand
x*x +2x-8x-16
x^2 -6x-16