Problem:
Find all real solutions to $\sqrt{-9 x-13}+2 \sqrt{-x}=6$
Answer:
$\left\{\left\{x\to \frac{1}{25} \left(-533+24 \sqrt{389}\right)\right\}\right\}$
{'source': 'AMPS', 'file': 'amps/mathematica/algebra/sqrt_equations/39281.txt'}