$-x^3-x-5$

$\sqrt[3]{x}.\sqrt[2]{x^2}$

$\frac{x}{6}-\frac{2}{x}=\frac{1}{6}$

$\left(\frac{-9}{\left(x+1\right)^4}\right)+\left(\frac{4}{\left(x+1\right)^3}\right)$

$\frac{dy}{dx}=-\sin\left(y\right)$

$\int\frac{1}{\left(x-3\right)^2+16\:}dx$

$-\frac{15}{2}c+\frac{14}{3}c-2a+11a-12-3k$