$x^2+4x+2\ge0$
$\left(a^{2x+1}-b^{3x-1}\right)\left(a^{2x+1}+b^{3x-1}\right)$
$\int\frac{1}{9}x^3\cdot\:\sqrt{\left(\frac{1}{3}x+4\right)\:}\:\:dx$
$x-5=15$
$e\left(w+10\right)$
$\left(-12\right)-\left(6-1\right)-\left(-4\right)$
$\frac{x^2-2x-33}{x+5}$
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