# How do you simplify 5sqrt36 + 4sqrt30?

$5 \sqrt{36} + 4 \sqrt{30} = 5 \cdot 6 + 4 \sqrt{30} = 30 + 4 \sqrt{30}$
I don't think you can get much simpler since $30 = 2 \cdot 3 \cdot 5$ has no square factors.