Use grouping to factor:

$\displaystyle{{x}}^{{2}}-{6}{x}+{8}=\usepackage{cmbright}\Huge\$ (___)(___)

Enter your answer in the form $\displaystyle{\left({x}+{a}\right)}{\left({x}+{b}\right)}\usepackage{cmbright}\Huge\$ , and do not enter spaces between symbols. For example, to enter the quantity $\displaystyle{\left({x}+{1}\right)}{\left({x}-{2}\right)}\usepackage{cmbright}\Huge\$ , write (x+1)(x-2).