Simplify square root of x^3+x square root of x

$\sqrt{x^{3}} + x \sqrt{x}$

Simplify each term.

Factor out $x^{2}$ .

$\sqrt{x^{2} x} + x \sqrt{x}$

Pull terms out from under the radical.

$x \sqrt{x} + x \sqrt{x}$

Add $x \sqrt{x}$ and $x \sqrt{x}$ .

$2 x \sqrt{x}$