$\sqrt{2x+1}+1=x$

$xy^2dx+e^xdy=0$

$\sqrt{2}-7\sqrt{2}+30\sqrt{2}-42\sqrt{2}$

$\left(3h+4i^3\right)^3$

$\frac{dy}{dx}=\frac{2-e^x}{3+2y}$

$\lim_{x\to\infty}\left(1.0247^x\left(-20cos\left(0.22x\right)\right)\right)$

$csc^2\left(x\right)\:-\:2\left(cot\left(x\right)\right)$