# What is the square root of 32 − square root of 50 + square root of 128?

Jun 26, 2018

$7 \sqrt{2}$

#### Explanation:

$\sqrt{2 \cdot {4}^{2}} - \sqrt{2 \cdot {5}^{2}} + \sqrt{2 \cdot {8}^{2}}$
$4 \sqrt{2} - 5 \sqrt{2} + 8 \sqrt{2}$
$7 \sqrt{2}$