# How do you add 3sqrt2+4sqrt2?

##### 1 Answer
Mar 24, 2015

You consider $\sqrt{2}$ as a fixed quantity that you do not change and simply add the multiplier:
$3 \sqrt{2} + 4 \sqrt{2} = \left(3 + 4\right) \sqrt{2} = 7 \sqrt{2}$