$2-1+3-8$

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

$\left(\sqrt{4}-\sqrt{4}\right)^2$

$\frac{\tan\left(x\right)+\sec\left(x\right)\tan\left(x\right)}{1+\sec\left(x\right)}$

$\int\left(\csc\left(x\right)+1\right)\cdot\csc\left(x\right)dx$

$e^x\frac{dy}{dx}=\frac{5x^2}{4y}$

$\frac{8x^2+36x-72}{2x-3}$