$\lim_{x\to\frac{\pi}{3}}\left(\frac{\cos\left(x\right)-.5}{x-\frac{\pi}{3}}\right)$

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

$4x^3-12x^2+8x^6$

$\int\frac{1}{\sqrt{\left(-6x^2-96x-24\right)}}dx$

$4x^4\cdot5x^5$

$\lim_{x\to0}\left(\frac{2x^2+7x+6}{2x^2+5x+2}\right)$

$8^3\left(2\cdot8^2\right)-\left(-5\right)$