$3x^2-12x+6=0$
$2\cdot\left(3^a-b-1\right)$
$y^3\left(1+cos2x\right)=c$
$\int\left(\frac{1}{cot\:x}\right)dx$
$x^2+20xy+100y^2$
$2x^2-7x+3\:=\:0$
$\frac{dy}{dx}=5xcos^2y$
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