# How do you simplify the radical expression sqrt(x^19)?

$\sqrt{{x}^{19}} = \sqrt{{\left({x}^{9}\right)}^{2} \cdot \left(x\right)} = \sqrt{{\left({x}^{9}\right)}^{2}} \cdot \sqrt{x}$
$= {x}^{9} \sqrt{x}$