$\lim_{x\to30}\left(\sec\left(x\right)\right)$
$x^2-6<3$
$2x^2-8x+8\le0$
$\frac{d}{dx}\left(lnx\right)^5+\left(lnx^5\right)$
$3^{x-2}+2\:=\:-9$
$\left(1+x^2\right)y'\:=\:1+y^2$
$3x-5=11+7x$
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