$9x^2+4x=5x+5x^2-2$
$81-\left(-29\right)$
$-6x>12$
$\frac{dy}{dx}=18x^5\cos\left(y\right)$
$sen\left(37.8\right)\cdot75.4$
$9-x^2-y^2-z^2>0$
$\left(8-2x\right)>2$
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