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Charra [1.4K]
2 years ago
5

If x cubed = -8, what does x equal

Mathematics
2 answers:
balu736 [363]2 years ago
8 0

x^3 = -8

The cube root of 8 is 2 = 2 x 2 x 2 is 8.

But, the answer is negative, which means that the cube root of -8 must be -2.

-2 x -2 x -2 = -8

x = -2

Hope this helps!

nataly862011 [7]2 years ago
6 0

Let's start the sum as follows:

x³ = 8

X × X × X = 8

This means there are 3 number which after Multiplication gives answer 8.

If 2 is multtiplied 3 times it will give you 8

Thus the answer of x is 2

x = 2.

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