$y^2-\:3y\:-\:10\:=\:0$
$\frac{2x+4}{x-2}-1\le0$
$-2x^2+8x-3$
$\left(x+6\right)^2-\left(x-1\right)^2$
$\frac{d}{dx}x-y=2\pi$
$\int_0^{2\pi}\left(\sin\:\left(\frac{t}{2}\right)\right)dt$
$4x^2-12xy+9x^2$
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