$4\left(x+2\right)^2\:-1$
$x^2\:+\:6x\:+\:9\:>\:0$
$sin0.58778525229$
$x+x^3+x$
$\left(2x-4\right)^4$
$5\cdot687$
$\lim_{x\to-10}\left(\frac{\sin\left(\sqrt{x+10}\right)}{x+10}\right)$
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