$\left(2-\frac{1}{2w}\right)^2$
$2+2n-2$
$e^x=y\frac{dy}{dx}$
$x^2+14x-2$
$6a^2-2a^2$
$4\sin\left(x+y\right)-\tan\left(x\right)$
$2n^2-3n=35$
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