$$x-1 \sqrt{ 3 { x }^{ 3 } +4 { x }^{ 2 } -5x-2 }$$
$-\sqrt{\left(x-1\right)\left(x+2\right)\left(3x+1\right)}+x$
$\frac{2\sqrt{\left(x-1\right)\left(x+2\right)\left(3x+1\right)}-\left(9x^{2}+8x-5\right)}{2\sqrt{\left(x-1\right)\left(x+2\right)\left(3x+1\right)}}$
