\(\Leftrightarrow2\left(x-2\right)\left(3-x\right)=0\Leftrightarrow\left[{}\begin{matrix}x=2\\x=3\end{matrix}\right.\)
\(\left\{{}\begin{matrix}2x-4=0\\3-x=0\end{matrix}\right.\)
\(\left\{{}\begin{matrix}x=2\\x=3\end{matrix}\right.\)
\(\left(2x-4\right).\left(3-x\right)=0\) \(\Leftrightarrow\)\(\left[{}\begin{matrix}2x-4=0\\3-x=0\end{matrix}\right.\Rightarrow\left[{}\begin{matrix}x=2\\x=3\end{matrix}\right.\)
(2x-4)(3-x)=0
<=>2x-4=0
3-x=0
<=> 2x=4
3 =x
<=> x=2
x=3