$1\:+12x\:+36x^2$
$7-19+15-8+6-13-6$
$\left(9a^3b^3x\:+\:5\:\right)^2$
$y''-\:2y'\:+\:10y\:=\:0$
$3m+5m-2m$
$\cos\left(x-3\right)\left(\sqrt{2}-2\sin\left(x\right)\right)=0$
$7x^2-4x+7$
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