$w^2+12w-220=0$
$2\sin^2x+c$
$\frac{dy}{dx}\frac{e^x}{y^2+1}=x^2$
$\lim_{x\to\infty}\left(\frac{sin\left(x\right)+cos\left(x\right)}{x^2}\right)$
$xy^2=x-8$
$\left(x^2+3x+4\right)^2$
$x2\:-\:\:1\:0x\:+\:2$
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