Neither the product nor the domain matches. $\displaystyle\frac{{{x}+{2}}}{{3}}\cdot\frac{{{6}{x}}}{{{x}+{2}}}={2}{x}\usepackage{cmbright}\Huge\$ . The domain of this expression is all $\displaystyle{x}\usepackage{cmbright}\Huge\$ , $\displaystyle{x}\ne-{2}\usepackage{cmbright}\Huge\$ .