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