$x^3+4x^2$
$2x+5<7x+1$
$27a^3b^2c-18a^2b^3c^3$
$\frac{d}{dx}5x^4-x^3+7x$
$70=7m$
$2x+1\ge3x-5$
$\left(3x\:+7\right)\left(x-5\right)^2$
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