Evaluate - cube root of -216

$- \sqrt[3]{- 216}$

Step 1

Rewrite $- 216$ as ${(- 6)}^{3}$ .

$- \sqrt[3]{{(- 6)}^{3}}$

Step 2

Multiply.

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

$- - 6$

Multiply $- 1$ by $- 6$ .

$6$

$6$

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