Partial Fraction Decomposition

$\frac{-12/509}{x}+\frac{51/72}{x^2}+\frac{5/13}{x^3}+\frac{113/509}{3x+8}$

$\frac{-11/486}{x}+\frac{7/24}{x^2}+\frac{9/8}{x^3}+\frac{131/486}{3x+8}$

$\frac{-39/512}{x}+\frac{13/64}{x^2}+\frac{1/8}{x^3}+\frac{117/512}{3x+8}$

$\frac{-149/357}{x}+\frac{65/49}{x^2}+\frac{16/35}{x^3}+\frac{80/357}{3x+8}$