Question Number 6709 by Tawakalitu. last updated on 15/Jul/16
$$\int_{\mathrm{3}} ^{\mathrm{6}} \:\:\frac{\mathrm{22}\:−\:\mathrm{5}{x}^{\mathrm{3}} \:−\:\mathrm{5}{x}^{\mathrm{4}} }{\left({x}\:−\:\mathrm{1}\right)\left({x}\:+\:\mathrm{2}\right)}\:{dx} \\ $$