$\int\frac{3}{x^2\sqrt{x^2-9}}dx$
$\left|-10\right|-\left|-4\right|$
$4x^2+x-14$
$-9+6-\left(-28\right)-10$
$-8x^2-3x+5$
$\lim_{x\to-5}\left(\frac{10x^2+50x}{x^2-25}\right)$
$34j^2+92j=0$
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