$x2+12x+35\le0$
$-6x^2+3x+8$
$3x^2+36x$
$4x^2+13=0$
$\frac{dy}{dx}\left(e^{-x}+e^x\right)-y^2=0$
$-2^4-5y^3+3y^2-y+1$
$sin\left(x\right)\left(1+tan^2\left(x\right)\right)$
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