Answer:
-23
Step-by-step explanation:
Question: (-4)^3 + 2(-4)^2 - (-4) + 5
-4^3 = -64
= -64 + 2(-4)^2 - (-4) + 5
(since a is squared, and a = (-4), the minus is also squared.)
= -64 + 2*16 + 4 + 5
= -64 + 32 + 4 + 5
= -23
