# How do you simplify xy^sqrt11-3xy^sqrt11?

$- 2 x {y}^{\sqrt{11}}$
$x {y}^{\sqrt{11}} - 3 x {y}^{\sqrt{11}} = \left(x - 3 x\right) {y}^{\sqrt{11}} = \left(- 2 x\right) {y}^{\sqrt{11}} = - 2 x {y}^{\sqrt{11}}$