Question

how to simplify the square root of 18 to it's radical form?

Answer 1

Factor out the 18 under the radical and simplify:
$$
\sqrt{18}=\sqrt{3\times2\times3}=\sqrt{3^2\times2}=\sqrt{3^2}\times\sqrt{2}
$$
What's next?

Answer 2

is it \[3 \sqrt{2}?\]

Answer 3

yes

Answer 4

ok cool, thanks guys