[tex] - 5x - \frac{1}{2} x {}^{2} - \frac{25}{x {}^{2} } - 9 - \frac{3}{2} x {}^{3} \\ \frac{ - 10x {}^{3 } - x {}^{4 } - 50 - 18x {}^{2} - 3x {5}^{2} }{2x {}^{2} } [/tex]
18x^2-3x^5
[tex] \frac{ - 3x {}^{5} - x {}^{4} - 10x {}^{3} - 18x {}^{2} - 50 }{2x {}^{2} } [/tex]
