Simplify - fourth root of y+2 square root of y-7 fourth root of y- square root of y

$- \sqrt[4]{y} + 2 \sqrt{y} - 7 \sqrt[4]{y} - \sqrt{y}$

Step 1

Subtract $7 \sqrt[4]{y}$ from $- \sqrt[4]{y}$ .

$- 8 \sqrt[4]{y} + 2 \sqrt{y} - \sqrt{y}$

Step 2

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

$- 8 \sqrt[4]{y} + \sqrt{y}$