1.
\sqrt{\frac{x+5}{2}},-\sqrt{\frac{x+5}{2}}
2.
\sqrt{\frac{x-4}{3}},-\sqrt{\frac{x-4}{3}}
3.
\frac{\sqrt{5}\sqrt{x}}{10},-\frac{\sqrt{5}\sqrt{x}}{10}
4.
\sqrt{x+5},-\sqrt{x+5}
5.
\sqrt{\frac{x+2}{2}},-\sqrt{\frac{x+2}{2}}
6.
\sqrt{\frac{x}{3}},-\sqrt{\frac{x}{3}}
7.
\frac{1+\sqrt{12x+25}}{6},\frac{1-\sqrt{12x+25}}{6}
8.
\sqrt{x-1},-\sqrt{x-1}
9.
\sqrt{x+4},-\sqrt{x+4}
10.
\frac{\sqrt{x}}{2},-\frac{\sqrt{x}}{2}