$$\left. \begin{array} { l } { y y y = m + c } \\ { \text \right.$$
$y=\sqrt[3]{m+c}\text{, }m\in \mathrm{C}\text{, }c\in \mathrm{C}$
$y=e^{\frac{2i\pi }{3}}\sqrt[3]{m+c}\text{, }m\in \mathrm{C}\text{, }c\in \mathrm{C}$
$y=e^{\frac{4i\pi }{3}}\sqrt[3]{m+c}\text{, }m\in \mathrm{C}\text{, }c\in \mathrm{C}$
$y=\sqrt[3]{m+c}$
$m\in \mathrm{R}$
$c\in \mathrm{R}$
