$2x-4<0$
$\frac{dy}{dx}\left(xy+2y=x\right)$
$\frac{\left(\:x^3-2x^2+4x-8\right)}{3x^2+12x+12}$
$-398+\left(-523\right)$
$3+5\cdot\left(7-3\right)$
$\left(3x+abc\right)^2$
$\left(1-\cos\left(x\right)\right)\left(1+\cot^2\left(x\right)\right)=1$
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