\begin{equation}\sqrt{2} \times \sqrt{2}\end{equation}

\begin{equation}\sqrt{10} \times \sqrt{160}\end{equation}

\begin{equation}\sqrt{60} \times \sqrt{24}\end{equation}

\begin{equation}\sqrt{243} \times \sqrt{5}\end{equation}

\begin{equation}\frac{\frac{\sqrt{4}}{4} \times \sqrt{6}}{10}\end{equation}

\begin{equation}(2-\sqrt{2}) \times (2+\sqrt{2})\end{equation}

\begin{equation}(9 \times \sqrt{6})^{2}\end{equation}

\begin{equation}\sqrt{(6x)}\sqrt{(5x+10)}\end{equation}

\begin{equation}\sqrt{(8x)}\sqrt{(648x^{3})}\end{equation}

\begin{equation}10\sqrt{(45x)}\sqrt{(90x)}\end{equation}

\begin{equation}8\sqrt{(4x)}\sqrt{(45x)}\end{equation}

\begin{equation}2\sqrt{(6x)}\sqrt{(18x)}\end{equation}