Question

$$- \sqrt{ 45 } - \sqrt{ 20 }$$

Answer

-5*sqrt(5)

Solution


Simplify  \(\sqrt{45}\)  to  \(3\sqrt{5}\).
\[-3\sqrt{5}-\sqrt{20}\]
Simplify  \(\sqrt{20}\)  to  \(2\sqrt{5}\).
\[-3\sqrt{5}-2\sqrt{5}\]
Simplify.
\[-5\sqrt{5}\]

Decimal Form: -11.180340