$3x^2-2x-4=0$
$10\::\:-5$
$x\:+\:5\:<\:3$
$a^3-3a^2+a$
$\lim_{x\to2}\left(\frac{x^2+3x+2}{x^2-1}\right)$
$\int2x\cdot\cos\left(4x-1\right)dx$
$\left(-\frac{5}{4}x+\frac{17}{2}\right)^2$
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