# How do you simplify -root4(x)+2root4(x)?

$\sqrt[4]{x}$
$- \sqrt[4]{x} + 2 \sqrt[4]{x}$ = $2 \sqrt[4]{x} - \sqrt[4]{x}$
$\sqrt[4]{x} \left(2 - 1\right) = \sqrt[4]{x}$