$x^2-9-22$
$m^2-2m-3$
$\lim_{x\to0}\left(1-\cos\left(3x^2\right)\right)$
$\int\frac{\left(4x+3\right)}{x^2-x-6}dx$
$x^2+9<0$
$\lim_{x\to0}\left(\frac{2x-2}{ln\left(x\right)}\right)$
$\left(-2\:\frac{1}{2}\right)^3$
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