Simplify \(\sqrt{8}\) to \(2\sqrt{2}\).
\[3\times 2\sqrt{2}+\sqrt{2}-3\sqrt{18}\]
Simplify \(\sqrt{18}\) to \(3\sqrt{2}\).
\[3\times 2\sqrt{2}+\sqrt{2}-3\times 3\sqrt{2}\]
Simplify \(3\times 2\sqrt{2}\) to \(6\sqrt{2}\).
\[6\sqrt{2}+\sqrt{2}-3\times 3\sqrt{2}\]
Simplify \(3\times 3\sqrt{2}\) to \(9\sqrt{2}\).
\[6\sqrt{2}+\sqrt{2}-9\sqrt{2}\]
Simplify.
\[-2\sqrt{2}\]
Decimal Form: -2.828427
-2*sqrt(2)
