$\frac{-2\left(3\right)^2-\left(3\right)+5}{3-3}$
$\frac{x^532-x^4+x^2-2}{x^2+1}$
$-125-65$
$\lim_{x\to0}\left(\frac{e^x-1}{e^{2x-1}}\right)$
$\left(\frac{1}{t}+1\right)\left(\frac{1}{t}+1\right)$
$\left(x-5\right)^2+\left(x+5\right)^2-\left(x+5\right)+\left(x-5\right)$
$\left(-7\:+\:4s\right)\left(-4\right)\:$
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