ĐKXĐ: \(\left\{{}\begin{matrix}x\ge2009\\y\ge2010\end{matrix}\right.\)
\(\Leftrightarrow x-2009-2\sqrt{x-2009}+1+y-2010-2\sqrt{y-2010}+1=0\)
\(\Leftrightarrow\left(\sqrt{x-2009}-1\right)^2+\left(\sqrt{y-2010}-1\right)^2=0\)
\(\Leftrightarrow\left\{{}\begin{matrix}\sqrt{x-2009}-1=0\\\sqrt{y-2010}-1=0\end{matrix}\right.\)
\(\Leftrightarrow\left\{{}\begin{matrix}x=2010\\y=2011\end{matrix}\right.\)