$\frac{d}{dx}\left(2x^2+3y^3+\frac{2y}{xy-1}=3\right)$

$\int\frac{2x+3}{x^2+36}dx$

$\ln\left(\frac{4x^4sin\left(-7x\right)}{3x-3}\right)$

$\left(\frac{1}{3}m+\frac{2}{5}\right)\left(\frac{1}{3}-\frac{1}{2}\right)$

$\left(\sqrt{x}+\sqrt{2y}\right)+\left(\sqrt{x}+\sqrt{32}\right)$

$\lim_{x\to3}\left(\frac{x-3}{\sqrt{x-2}-1}\right)$

$\frac{x^3+7x^2-14x+120}{x+6}$