Simplify \(\sqrt{8}\) to \(2\sqrt{2}\).
\[5\times 2\sqrt{2}+\frac{1}{2}\sqrt{2}-2\sqrt{18}\]
Simplify \(\sqrt{18}\) to \(3\sqrt{2}\).
\[5\times 2\sqrt{2}+\frac{1}{2}\sqrt{2}-2\times 3\sqrt{2}\]
Simplify \(5\times 2\sqrt{2}\) to \(10\sqrt{2}\).
\[10\sqrt{2}+\frac{1}{2}\sqrt{2}-2\times 3\sqrt{2}\]
Simplify \(\frac{1}{2}\sqrt{2}\) to \(\frac{\sqrt{2}}{2}\).
\[10\sqrt{2}+\frac{\sqrt{2}}{2}-2\times 3\sqrt{2}\]
Simplify \(2\times 3\sqrt{2}\) to \(6\sqrt{2}\).
\[10\sqrt{2}+\frac{\sqrt{2}}{2}-6\sqrt{2}\]
Simplify.
\[\frac{9\sqrt{2}}{2}\]
Decimal Form: 6.363961
(9*sqrt(2))/2