$7 x - 4 = 3 x + 8$
$25x^2-50x^6+75x^4-100x^2$
$\lim_{x\to3}\left(\frac{x+4}{x-2}\right)$
$\lim_{x\to0}\left(\frac{\sqrt{3}\left(\sin\left(x\right)-x\right)}{3x^3}\right)$
$\frac{9}{x+1}<5$
$\left(x^2+12\right)\left(x^2-12\right)\:$
$\left(g-\frac{7}{2}\right)\left(g-\frac{3}{2}\right)$
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