Evaluate cube root of 8-9

$\sqrt[3]{8 - 9}$

Step 1

Subtract $9$ from $8$ .

$\sqrt[3]{- 1}$

Step 2

Rewrite $- 1$ as ${(- 1)}^{3}$ .

$\sqrt[3]{{(- 1)}^{3}}$

Step 3

Pull terms out from under the radical, assuming real numbers.

$- 1$