$x^2+11x+12\ge0$
$-6x^2+5x-50$
$0.04\cdot10$
$n^2-12n+35$
$\frac{3\left(2x-2\right)}{2}>\frac{6x-3}{5}+\frac{x}{10}$
$3x+14=4x-6$
$\lim_{x\to\frac{\pi}{2}}\left(\frac{140-7\pi}{cosx}\right)$
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