Answer:
D.) (x + 8)
Explanation:
Which two values multiply to (-24) and add to (5)?
These values are (-3) and (8):
-3 x 8 = -24
-3 + 8 = 5
As such, the factors include these two values. One of the factors (x + 8), is one of the answer choices.
x² + 5x - 24 = (x - 3)(x + 8)