$\left(x^2+\frac{1}{x}^2\right)\left(x^3+\frac{1}{x}^3\right)$

$\int\frac{3x-29}{x\left(x+1\right)}dx$

$x\left(11x-x^2\right)$

$\sqrt{a}\left(\frac{1}{\sqrt{a}}-\frac{\sqrt{a}}{1-\sqrt{a}}\right)$

$\sqrt[3]{81x^5y^6}$

$6\:+\:l\:=\:l\:+\:6$

$\int\frac{x+4}{x^{2}+2x-10}dx$