Question

Find all the real cube roots of each number.
-64

Answer 1

the cubed root of -64 is -4.

-4*-4*-4=-64

Answer 2

Every number has three cube roots.

The only real cube root of -64 is -4 .

The other two cube roots of -64 are a pair of complex conjugates.
I'm too lazy to calculate them right now, and you didn't ask for them
anyway.