\(\left(8x-16\right)\left(x-5\right)=0\)
\(\Rightarrow\left[{}\begin{matrix}8x-16=0\\x-5=0\end{matrix}\right.\)
\(\Rightarrow\left[{}\begin{matrix}8x=16\\x=5\end{matrix}\right.\)
\(\Rightarrow\left[{}\begin{matrix}x=2\\x=5\end{matrix}\right.\)
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