$\int x+c^xdx$

$\left(-x+y\right)-4x+2y+\left(-x-y-x+y\right)$

$\frac{3x+5}{8}<\frac{2x-7}{4}$

$\frac{dy}{dx}\left(ln\left(5x^2+3\right)\right)$

$\frac{dy}{dx}\left(3sin\left(3x\right)\right)$

$\frac{dy}{dx}=\frac{x^2}{xy^2-7xy}$

$\tan\left(x\right)\frac{dy}{dx}+y=0$