\(\left(x-2\right)\left(x^2+3x-2\right)=0\)
\(\Leftrightarrow\left[{}\begin{matrix}x-2=0\\x^2+3x-2=0\end{matrix}\right.\) \(\Leftrightarrow\left[{}\begin{matrix}x=2\\\left[{}\begin{matrix}x=\frac{-3-\sqrt{17}}{2}\\\frac{-3+\sqrt{17}}{2}\end{matrix}\right.\end{matrix}\right.\)
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