$5x^3\:-\:55x^2\:+\:140x\:$
$\left(x+2\right)^2=\sqrt{-4}$
$\left(8x\right)^3+\:y^3\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:$
$\frac{1-i}{a-i}$
$\sqrt[5]{\frac{x}{x+1}}$
$\frac{5x+1}{2}-3x+4\:<\frac{x}{3}+1$
$\left(\frac{1}{3}m-n\right)^2$
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