$\frac{d}{dx}\left(x=-csc^{-1}\left(\frac{6x+3}{5}\right)\right)$

$2\left(x+3\right)+3\left(x-7\right)$

$dx+e^{4x}dy=0$

$\frac{d^2y}{dx^2}=2x^2-3y+4x\frac{dy}{dx}$

$a^2bc+ab^2c+abc$

$\frac{\sqrt{\left(x^2.\sin\left(\frac{1}{x}\right)-x\right)}}{1-\left|x\right|}$