# How do you add 3sqrt(5) + 2sqrt(2)?

You have to use a calculator or leave the expression as $3 \sqrt{5} + 2 \sqrt{2}$.
$3 \sqrt{5} = 6.708203932499$
$2 \sqrt{2} = 2.828427124746$
$3 \sqrt{5} + 2 \sqrt{2} = 6.708203932499 + 2.828427124746 = 9.536631057245$