Представьте в виде дроби \(\frac{3x-1}{x^2}- \frac{x-9}{3x}\)

• \(\frac{-x^2+18x-3}{3x^2}\)
• \(\frac{-3-x^2}{3x^2}\)
• \(-\frac{x^2+1}{3x^2}\)
• \(\frac{-x^2+18x-1}{3x^2}\)