$12-3x\ge-6$
$3x^2+12x+7$
$4\cdot2-6-5\cdot3-7$
$\frac{1}{\left(3x-2\right)}\le9$
$\left(4w+12\right)\left(w-12\right)$
$3sin^2x-sinx-1=0$
$2-7+3-4-5-1+6$
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