Answer
$$9x$$
Work Step by Step
First, find and divide out any common factors:
$$\frac{3x^{2}}{2}\times \frac{6}{x}=\bigg(\frac{3\times x\times x}{2}\bigg)\times \bigg(\frac{3\times 2}{x}\bigg).$$
In this case, cancel the factors $2$ and $x$, and the result is
$$3x\times 3=9x.$$