$x^2-20<9x-34$
$23x-6x+3x-14y+6y$
$1+\:8t^5\:+\:16t^{10}$
$\frac{d}{dx}\frac{x^2}{x^2-1}$
$x^3+4x^2-9x-36$
$\lim_{x\to1.5}\left(\cos\left(x\right)+\sin\left(x\right)\right)\tan^x$
$-\frac{1}{2}\left(2x^3+9x^2+9x+7\right)$
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