$a^2-8a-16$
$-w^2-16w+36$
$-4286-2874$
$2x-11<5x+6$
$\frac{5x^2+7x-3}{x+3}$
$\lim_{h\to0}\left(\frac{tan2\left(x+h\right)-tan\left(2x\right)}{h}\right)$
$\frac{x^2-8x+3}{x-5}$
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