Incorrect. Factor the coefficient 4 into $\displaystyle{2}\cdot{2}\usepackage{cmbright}\Huge\$ , then factor the variable $\displaystyle{{x}}^{{8}}\usepackage{cmbright}\Huge\$ into squares, $\displaystyle{{x}}^{{2}}\cdot{{x}}^{{2}}\cdot{{x}}^{{2}}\cdot{{x}}^{{2}}\usepackage{cmbright}\Huge\$ . Write $\displaystyle{2}\cdot{2}\usepackage{cmbright}\Huge\$ as $\displaystyle{{2}}^{{2}}\usepackage{cmbright}\Huge\$ and separate the factors into individual radicals. Simplify, using the rule that $\displaystyle\sqrt{{{{x}}^{{2}}}}={\left|{x}\right|}\usepackage{cmbright}\Huge\$ .