$$\int x^{4}+2x^{-3}+2x^{2}-5x+6dx$$
$\frac{x^{5}}{5}+\frac{2x^{3}}{3}-\frac{5x^{2}}{2}+6x-\frac{1}{x^{2}}+С$
$x^{4}+2x^{2}-5x+6+\frac{2}{x^{3}}$
