\(2x^3+3x^2=4x^2+6x\)
\(\Leftrightarrow2x^3-4x^2+3x^2-6x=0\)
\(\Leftrightarrow2x^2\left(x-2\right)+3x\left(x-2\right)=0\)
\(\Leftrightarrow x\left(x-2\right)\left(2x+3\right)=0\)
\(\Leftrightarrow\left[{}\begin{matrix}x=0\\x-2=0\\2x+3=0\end{matrix}\right.\)
\(\Leftrightarrow\left[{}\begin{matrix}x=0\\x=2\\x=-\dfrac{3}{2}\end{matrix}\right.\)