$\frac{d}{dx}\left(3x-2xy-y=6\right)$

$\left(\frac{9}{8}mn+7n^2\right)^2$

$\int\left(3x\left(9-x^{-9}\right)\right)dx$

$-10x^2+7x+25\ge0$

$\lim_{x\to0}\left(\left(1+sin\left(2x\right)\right)^{\frac{1}{x}}\right)$

$\frac{dy}{ds}=\frac{2s^2+5}{\left(s+1\right)\left(s-2\right)\left(s-3\right)}$