Simplify the Radical Expression square root of 7x^2y

$\sqrt{7 x^{2} y}$

Rewrite $7 x^{2} y$ as $x^{2} \cdot (7 y)$ .

Reorder $7$ and $x^{2}$ .

$\sqrt{x^{2} \cdot 7 y}$

Add parentheses.

$\sqrt{x^{2} \cdot (7 y)}$

Pull terms out from under the radical.

$| x | \sqrt{7 y}$