$\frac{d^2}{dx^2}\left(x\cdot\cos\left(x\right)\right)x^2\sqrt{x}-5x$
$x^2-28x+192$
$3x^2+1\le0$
$\left(-5\right)^4\:-\:2\left(-5\right)^3\:-\:2\left(-5\right)^2\:-\:2\left(-5\right)\:-\:3\:\:$
$\left(x^2\left(\frac{1}{x}\right)\right)^{10}$
$\int\frac{1}{\sqrt{a-br}}dr$
$\left(\frac{5}{4}a-\frac{7}{8}\right)\left(\frac{5}{4}a-\frac{7}{8}\right)$
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