\begin{equation}x^{2}=100\end{equation}

\begin{equation}6x^{2}-384=0\end{equation}

\begin{equation}3x^{2}=192\end{equation}

\begin{equation}9(x-2)(x-5)=0\end{equation}

\begin{equation}\frac{1}{x+5}=\frac{x^{2}}{x^{2}-25}-(\frac{1}{x-5})\end{equation}

\begin{equation}\frac{1}{5} \times (x+8)(x-8)=0\end{equation}