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

\begin{equation}5x^{5}+8x+2\end{equation}

\begin{equation}\frac{10}{6} \times xy^{6}+A^{2}B^{9}\end{equation}

\begin{equation}4x^{6}y^{9}-9y^{8}z^{6}+7\end{equation}

\begin{equation}(\frac{y}{x})^{2}-x^{2}\end{equation}

\begin{equation}4xy+4x^{7}y^{8}+5xy+3x^{7}y^{8}\end{equation}

\begin{equation}6AB+2AB+7AB\end{equation}

\begin{equation}2x^{9}y^{8}-8x^{4}y^{2}+7\end{equation}

\begin{equation}9x^{4}+7x+6\end{equation}

\begin{equation}9x+3^{7}\end{equation}

\begin{equation}8x^{(2 \times 4)}+9x^{4}+3-8x^{(4 \times 4)}\end{equation}

\begin{equation}(-3)x^{6}+8\end{equation}

\begin{equation}9x^{7}+3+6x^{(7+6)}\end{equation}

\begin{equation}x-10x^{(2+1)}+2x^{2}+8x^{(2+2)}\end{equation}