Question

X³=-64

Answer 1

\(x^3=-64\)

\(\Rightarrow x^3=\left(-4\right)^3\)

\(\Rightarrow x=-4\)

Answer 2

\(x^3=-64\)

\(x^3=\left(-4\right)^3\)

\(x=-4\)

Answer 3

`x^3 =-64`

`=> x = \root{3}{-64}`

`=> x=-4`

Vậy `x=-4`