$4x^2+24x+36=0$
$x\frac{dy}{dx}+y=\frac{y\left(ln\left(y\right)+1\right)}{ln\left(y\right)}$
$x\le\:\frac{3\left(-2x+3\right)}{8}-\frac{5\left(1-x\right)}{6}$
$\left(-h-\frac{1}{2}\right)^2$
$3-5+8-7-4+2$
$\frac{4ac+b}{2}$
$20+90+51-12-34$
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