Question

When you solve (x3 + 4x – 4) ÷ (x + 2) by long division, what is the remainder?

Answer 1

whatever you get when you replace x in the expression
\[x^3+4x-4\] by -2

Answer 2

use th remainsder theorem
plug x = -2 into the function

(-2)^3 + 4(-2) - 4 = -20
thats your remainder