IMathAS-libretexts

Solve for $\displaystyle {x}$ :

$\displaystyle \frac{{\sqrt{{{x}+{20}}}+\sqrt{{{x}-{20}}}}}{{\sqrt{{{x}+{20}}}-\sqrt{{{x}-{20}}}}}={10}$

$\displaystyle {x}=$

[more..]

\displaystyle

Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity