$\int\frac{\ln\left(x\right)}{5.\sqrt[3]{x}}dx$

$2a^2bc^3-5a^2bc^3-2a^2bc^3$

$\left(-36\right)\left(-24\right)$

$\lim_{x\to\infty}\left(\frac{1+\sqrt{x+1}-\sqrt{x}}{1+\sqrt{x+1}}\right)$

$\int\left(\frac{x^2+x-8}{x^3-4x}\right)dx$

$x^2\:+\:12x\:+27$

$\frac{x^3+y^3+12xy}{x^2+2xy+y^2}$