$\frac{3x}{2}-1$
$\lim_{x\to0}\left(\frac{\sqrt{n^2+1}}{n^3}\right)$
$\lim_{x\to1}\left(5x^4+7x^2+6\right)$
$x^2+8y^2+7z^2=8$
$\left(2x+3\right)\left(5x-8\right)$
$2\sin\left(x\right)+\cos\left(2x\right)=0$
$3x+y=-1\:\:\:\:\:\:\:$
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