$\begin{array}{l}\phantom{\phantom{;}2x\phantom{;}-5;}{\phantom{;}3x^{2}+2x\phantom{;}-2\phantom{;}\phantom{;}}\\\phantom{;}2x\phantom{;}-5\overline{\smash{)}\phantom{;}6x^{3}-11x^{2}-14x\phantom{;}-2\phantom{;}\phantom{;}}\\\phantom{\phantom{;}2x\phantom{;}-5;}\underline{-6x^{3}+15x^{2}\phantom{-;x^n}\phantom{-;x^n}}\\\phantom{-6x^{3}+15x^{2};}\phantom{;}4x^{2}-14x\phantom{;}-2\phantom{;}\phantom{;}\\\phantom{\phantom{;}2x\phantom{;}-5-;x^n;}\underline{-4x^{2}+10x\phantom{;}\phantom{-;x^n}}\\\phantom{;-4x^{2}+10x\phantom{;}-;x^n;}-4x\phantom{;}-2\phantom{;}\phantom{;}\\\phantom{\phantom{;}2x\phantom{;}-5-;x^n-;x^n;}\underline{\phantom{;}4x\phantom{;}-10\phantom{;}\phantom{;}}\\\phantom{;;\phantom{;}4x\phantom{;}-10\phantom{;}\phantom{;}-;x^n-;x^n;}-12\phantom{;}\phantom{;}\\\end{array}$

$3x^{2}+2x-2+\frac{-12}{2x-5}$