\(=\frac{-\sqrt{3}\left(1-\sqrt{2}\right)}{1-\sqrt{2}}+\frac{\sqrt{3}\left(\sqrt{3}+6\right)}{\sqrt{3}}-\frac{13}{\sqrt{3}+4}\)
\(=-\sqrt{3}+\sqrt{3}+\sqrt{6}-\frac{13}{\sqrt{3}+4}\)
\(=\sqrt{6}-\frac{13}{\sqrt{3}+4}=\frac{\sqrt{6}\left(\sqrt{3}+4\right)-13}{\sqrt{3}+4}=\frac{3\sqrt{2}+4\sqrt{6}-13}{\sqrt{3}+4}\)