$-3x^2-24x-36$
$\frac{d}{dx}coshx=\frac{e^x+e^{-x}}{2}$
$\frac{x^3-3x^2+1}{x}$
$a+2=10$
$\frac{1}{2}x^{-\frac{3}{4}}$
$18-2x>4$
$\frac{x^2+3x\:-3}{x+4}$
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