###### Exercise34

Simplify the radical expression or state that it is `not a real number`

.

\(\displaystyle{\sqrt{25}-\sqrt{9}=}\)

\(\displaystyle{\sqrt{25-9}=}\)

Simplify the radical expression or state that it is `not a real number`

.

\(\displaystyle{\sqrt{25}-\sqrt{9}=}\)

\(\displaystyle{\sqrt{25-9}=}\)