Simplify 2 square root of xy-6 square root of xy+ square root of xy

$2 \sqrt{x y} - 6 \sqrt{x y} + \sqrt{x y}$

Step 1

Subtract $6 \sqrt{x y}$ from $2 \sqrt{x y}$ .

$- 4 \sqrt{x y} + \sqrt{x y}$

Step 2

Add $- 4 \sqrt{x y}$ and $\sqrt{x y}$ .

$- 3 \sqrt{x y}$