$\left(2\cos\left(x\right)-2+x^2\right)^2$
$4x-3\ge2x-8$
$3y+5x^2+10x+2x^2+15x-3y$
$\frac{dy}{dx}\left(5x^4y\right)$
$\left(5m^2+4m+2\right)^2$
$\lim_{x\to0}\left(\frac{x+a}{x-a}\right)^x$
$\frac{dy}{dx}=\frac{tx}{1+t^2}$
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