$\frac{2^3+4x+3}{2x-2}$

$\lim_{x\to0}\left(tan\left(5x\right)\right)^x$

$\int_0^{10}3xdx$

$\left(4x^2\:+\:4\right)^2$

$\int\frac{1}{\left(x^4+x^2\right)}dx$

$18x^2y^2z+9xy^2z^2$

$\tan\left(\arccos\left(\frac{\sqrt{3}}{2}\right)-\arcsin\left(-\frac{3}{5}\right)\right)$