$y^2+110y+3000=0$
$-n+4-9-5n$
$x^2+12x+34$
$\left(\frac{4m^5}{5m^{-3}}\right)^4$
$\cos^2\left(116.4\right)$
$-x^2-2x$
$\left(1+2x^n\right)^2$
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