Simplify cube root of -64a^6

$\sqrt[3]{- 64 a^{6}}$

Step 1

Rewrite $- 64 a^{6}$ as ${(- 4 a^{2})}^{3}$ .

$\sqrt[3]{{(- 4 a^{2})}^{3}}$

Step 2

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

$- 4 a^{2}$

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