\begin{equation}(x-3)(x-7)=0\end{equation}

\begin{equation}4(x-6)x=0\end{equation}

\begin{equation}(4x-3)(x-10)=0\end{equation}

\begin{equation}(7x+6)(7x-6)=0\end{equation}

\begin{equation}(8x-9)(7x-5)=0\end{equation}

\begin{equation}x^{2}+12x+32=0\end{equation}

\begin{equation}x^{2}=(-12)x-32\end{equation}

\begin{equation}x^{2}+14x+49=0\end{equation}

\begin{equation}4x^{2}-1=0\end{equation}

\begin{equation}-(x^{2}+5x-14)=0\end{equation}

\begin{equation}(-10)(x^{2}+6x-16)=0\end{equation}

\begin{equation}x^{2}+36x+60=0\end{equation}

\begin{equation}-(4x^{2}+21x-18)=0\end{equation}

\begin{equation}3(6x^{2}+6x-2)=0\end{equation}

\begin{equation}9(x^{2}-4)=0\end{equation}

\begin{equation}8(64x^{2}+160x+100)=0\end{equation}

\begin{equation}108x^{2}=243\end{equation}

\begin{equation}(-7)(x^{2}-10x+25)=0\end{equation}

\begin{equation}16x^{2}-8x+1=0\end{equation}

\begin{equation}6(25x^{2}+10x+1)=0\end{equation}

\begin{equation}4(81x^{2}-18x+1)=0\end{equation}

\begin{equation}4(x^{2}+8x+16)=0\end{equation}

\begin{equation}49x^{2}=(\frac{5}{6})^{2}\end{equation}