What is −72−−−−√ cubed simplified?

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1 answer

The expression -72 - √(-72)³ simplified can be written as -72 - (-8)³.

Calculating (-8)³, we get:
(-8)³ = (-8)(-8)(-8) = -512.

Substituting this back into the expression, we have:
-72 - (-8)³ = -72 - (-512) = -72 + 512 = 440.

Therefore, −72−−−−√ cubed simplified is equal to 440.