$3w^2-18w+27$
$4d+6+3d$
$\left(10+m\right)\left(12+m\right)$
$3\cos^2x=\sin\left(x\right)+1$
$\frac{x^3-2x^2+5}{x^2-1}$
$14xy^2\left(-2xy^3+2x^4y^3\right)$
$\lim_{x\to0}\left(\frac{1-\sec\left(x\right)}{x^3}\right)$
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