8x + 1 - 1x - 2 = 9x^2 - x - 26x - 5 + 2x - 8 = 18x^2 - 13x + 40

$\frac{8}{x + 1} - \frac{1}{x - 2}$ $= \frac{9}{x^{2} - x - 2}$

$\frac{6}{x - 5} + \frac{2}{x - 8}$ $= \frac{18}{x^{2} - 13 x + 40}$