Complete the following problem, evaluating $\displaystyle{3}{{x}}^{{2}}-{x}\usepackage{cmbright}\Huge\$ for $\displaystyle{x}={1}\usepackage{cmbright}\Huge\$ .

Write your answer as a simple whole number.

$\displaystyle{3}{{x}}^{{2}}-{x}={3}{{\left({1}\right)}}^{{2}}-{1}=\usepackage{cmbright}\Huge\$ _____