$\sin\left(2x^3-4x\right)$
$\lim_{x\to0}\left(\frac{e^{x^3}}{\ln\frac{1}{x}}\right)$
$\:x^2+3x+3>\:0$
$\left(x-8\right)\cdot2=20$
$\frac{8p-z}{2n}-\frac{12x-m}{z}+\frac{2}{x}$
$\cos2\left(x\right)\left(1+\tan2\left(x\right)\right)=1$
$\left(y-6\right)\left(y-4\right)$
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