$\int\frac{x+6}{x\left(x+2\right)}dx$

$y=3x^2-\frac{6}{x}+2\sqrt[3]{x-5}$

$sin\left(\frac{1}{3}+\frac{1}{2}\right)$

$20x^2+7x-6$

$\frac{dy}{dx}=\frac{x+1}{2y^2}$

$\lim_{x\to13}\left(-\frac{ln\:\left(x-12\right)}{x-13}\right)$

$\sin^2\left(2x\right)=\cos\left(x\right)$