$$\frac{ 2 }{ x+1 } - \frac{ 6 }{ 2x-1 } + \frac{ 3 }{ 3x+2 }$$
$-\frac{25x+19}{\left(2x-1\right)\left(x+1\right)\left(3x+2\right)}$
$\frac{300x^{3}+517x^{2}+266x+31}{\left(\left(2x-1\right)\left(x+1\right)\left(3x+2\right)\right)^{2}}$
