Question

what is the remainder when $x^3 - 1$ is divided by $(x + 2)$?
type your answer in the boxes

Explanation:

Step1: Apply Remainder Theorem

Set divisor to zero: $x + 2 = 0 \Rightarrow x = -2$

Step2: Substitute $x=-2$ into polynomial

$(-2)^3 - 1 = -8 -1 = -9$

Answer:

-9