$1+216z^9$
$x+2=3x-2$
$x^2+12x+19=0$
$\:1-cos\left(2x\right)+2cos^2\left(x\right)$
$\lim_{x\to0}\left(\frac{2\sin x-2\sin2x}{\tan^3x}\right)$
$240=2\left(3w-40\right)+2w$
$24x+6mn^2-30mn-12x$
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