\(\left(\dfrac{1}{3}+3x\right).\left(-2x+8\right)=0\\ \Rightarrow\left[{}\begin{matrix}\dfrac{1}{3}+3x=0\\-2x+8=0\end{matrix}\right.\\ \Rightarrow\left[{}\begin{matrix}3x=-\dfrac{1}{3}\\-2x=-8\end{matrix}\right.\\ \Rightarrow\left[{}\begin{matrix}x=-\dfrac{1}{9}\\x=4\end{matrix}\right.\)
\(\left(\dfrac{1}{3}+3x\right)\left(-2x+8\right)=0\\ \Rightarrow\left[{}\begin{matrix}\dfrac{1}{3}+3x=0\\-2x+8=0\end{matrix}\right.\Rightarrow\left[{}\begin{matrix}3x=-\dfrac{1}{3}\\-2x=-8\end{matrix}\right.\Rightarrow\left[{}\begin{matrix}x=-\dfrac{1}{9}\\x=4\end{matrix}\right.\)