$\frac{\frac{1}{x^3}-\frac{1}{8}}{x-2}$

$5\int\left(\tan^2\left(x\right)\right)dx$

$\int\left(\frac{-x^2}{\sqrt{1-x^2}}\right)dx$

$\left(2x^3-5\right)\left(2x^3+5\right)$

$\lim_{x\to\infty}\left(\frac{3n-5}{n}\right)$

$\lim_{x\to\infty}\left(\frac{2x^3+7}{x^3-x^2+x-1}\right)$

$\int\frac{32x-3x^3}{\sqrt{16-x^2}}dx$