$-2\left(-2x+4\right)+4x$
$\left(d+4\right)-4$
$\left(5mn-8\right)^2$
$\left(15+16+17\right)$
$365-\left(85+50\right)$
$\sqrt{3}\tan\left(\frac{1}{3}x\right)=1$
$ex^{-x}$
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