$4x^2-x+2>0$
$\lim_{x\to0}\left(\frac{x^2+ax+b}{x^2-1}\right)$
$\log x^{11}\left(x+2\right)$
$\left(x-\frac{3}{4}\right)\left(x\right)$
$m^2+m^3$
$\left(\frac{x}{4}-\frac{y}{3}\right)^3$
$78+-5$
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