$7p\:8p$
$5x^2+6x+2=0$
$\frac{d}{dx}\left(sech\left(\sqrt{1-x^2}\right)\right)$
$7 x - 2 > 3 x - 14$
$\log\left(\frac{5}{x}\right)$
$\frac{y^3+512}{y^2+7y-8}$
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