Question

Which is a factor of x^2 + 8x - 48?
(х – 6)
(х + 4)
(х – 16)
(х + 12).

Answer 1

its (x +12) that ja the correct answer

Answer 2

(x+12)

Step-by-step explanation

When your checking a factor, the sign is the opposite, so you would plug in -12 to try (x+12). -12^2 +8(-12)-48.

Then solve:

-144+144=0

(x+12) is your answer.