$z^2+28z$
$x^2-3x-4<0$
$5\:\frac{2}{3}+2\:\frac{1}{3}$
$\frac{1024x^{10}+1}{2x+1}$
$3-\tan^2\:\left(30\right)$
$\log\left(x\right)=5-5\log\left(5\right)$
$x^3\frac{dy}{dx}+3x^2y=x$
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