\begin{equation}8x-8y\end{equation}

\begin{equation}x^{2}+7xy\end{equation}

\begin{equation}4x^{3}+32\end{equation}

\begin{equation}6x^{3}+54x^{2}\end{equation}

\begin{equation}14x^{3}y^{2}+18xy^{4}\end{equation}

\begin{equation}6x^{4}y^{3}-30x^{2}y^{4}\end{equation}

\begin{equation}8x^{2}y+16y\end{equation}

\begin{equation}28x^{3}-70x^{2}\end{equation}

\begin{equation}36x^{4}+90x^{2}\end{equation}

\begin{equation}40x^{2}+8y^{5}\end{equation}

\begin{equation}(-14)x^{3}+49x\end{equation}

\begin{equation}4y^{3}z+9x^{2}y\end{equation}

\begin{equation}x^{2}+7x\end{equation}

\begin{equation}5x^{3}+35\end{equation}

\begin{equation}7xy+63\end{equation}

\begin{equation}(-42)x^{3}+6x^{4}\end{equation}

\begin{equation}(-5)x^{8}y^{4}+4x^{6}y\end{equation}

\begin{equation}9xy^{2}+12y\end{equation}

\begin{equation}6x^{2}+12x^{3}\end{equation}

\begin{equation}(-20)x^{5}+10x\end{equation}

\begin{equation}6x^{4}+24x^{3}+12x^{2}\end{equation}