$\frac{dy}{dx}=\frac{2}{5x+3}$

$\frac{x^2-7x-9}{x+1}$

$2\left(3c-4\right)-5\left(2c+1\right)=4\left(2c+6\right)-1$

$3\arcsin\left(x+1\right)+\pi=0$

$\int\frac{x+1}{\sqrt{1-x^{2}}}dx$

$2\left[\left(-3\right)\left(-2\right)\right]$

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