Simplify square root of 25x+4 square root of x

$\sqrt{25 x} + 4 \sqrt{x}$

Step 1

Simplify each term.

Rewrite $25$ as $5^{2}$ .

$\sqrt{5^{2} x} + 4 \sqrt{x}$

Pull terms out from under the radical.

$5 \sqrt{x} + 4 \sqrt{x}$

Step 2

Add $5 \sqrt{x}$ and $4 \sqrt{x}$ .

$9 \sqrt{x}$