$9-5\left(-5\right)$
$4\cdot cos\left(x\right)^2+4\cdot sen\left(x\right)^2$
$\frac{d}{dx}\left(\frac{x^2\ln\left(2x-3\right)}{2x-3}\right)$
$\left(w^2+1\right)^3$
$\frac{14x^3-12+22x}{7x-3}$
$x^2-12x+36=0$
$3\cdot2-5\cdot2$
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