$\:\int\:1+\frac{-2}{x-1}dx$
$\sqrt{8}+\sqrt{2}-\sqrt{32}+\sqrt{128}$
$-6+12-12+7-3+1$
$9a^4+30a^2b^2+25b^4$
$81z^2-180z+100$
$24m-36c$
$\lim_{x\to0}\left(\frac{sin\left(5x\right)}{1-cos\left(3x\right)}\right)$
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