Respuesta :

ok

[tex]\begin{gathered} \text{ w}^{3\text{ }}-\text{ 12 = -76} \\ w^3\text{ = -76 + 12} \\ w^3\text{ = -64} \\ w\text{ = }\sqrt[3]{-64}\text{ } \\ w\text{ = -4 } \end{gathered}[/tex]

Solution w = -4