$${ x }^{ 2 } \times { x }^{ 2 } = { \left(2 \sqrt{ 2a } \right) }^{ 2 } thenx=$$
$\left\{\begin{matrix}a=\frac{x^{3}}{8ehnt}\text{, }&n\neq 0\text{ and }h\neq 0\text{ and }t\neq 0\\a\in \mathrm{C}\text{, }&x=0\end{matrix}\right.$
$\left\{\begin{matrix}h=\frac{x^{3}}{8eant}\text{, }&n\neq 0\text{ and }t\neq 0\text{ and }a\neq 0\\h\in \mathrm{C}\text{, }&x=0\end{matrix}\right.$
$\left\{\begin{matrix}h=\frac{x^{3}}{8eant}\text{, }&n\neq 0\text{ and }t\neq 0\text{ and }a>0\\h\in \mathrm{R}\text{, }&x=0\text{ and }a\geq 0\end{matrix}\right.$