Simplify cube root of -b^12

$\sqrt[3]{- b^{12}}$

Step 1

Rewrite $- b^{12}$ as ${(- b^{4})}^{3}$ .

$\sqrt[3]{{(- b^{4})}^{3}}$

Step 2

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

$- b^{4}$

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