\[\frac{3x - 1^{\backslash 3}}{x^{2}} + \frac{x - 9^{\backslash x}}{3x} =\]
\[= \frac{9x - 3 + x^{2} - 9x}{3x^{2}} = \frac{x^{2} - 3}{3x^{2}}.\]