Question

If the factors of a polynomial are x + 4 and x + 8, what values of x make that polynomial 0?

a. 1 and 4
b. 4 and 8
c. -4 and -8
d. Cannot be determined

Answer 1

The polynomial is zero if any of its factors is zero.

(x + 4) = 0 . . . . . ==> x = -4

(x + 8) = 0 . . . . . ==> x = -8