$\int\left(sen\left(9z-8\right)\right)dz$
$\frac{d}{dx}\left(3^x\right)^{ln3x}$
$3x^2+x-6=0$
$\left(\left(1+x\right)\cdot\left(1-x\right)\right)^4$
$-\:14\:-\:\left[9\:-\:\left(6\:-\:17\right)\:-\:3\right]\:-\:\left[-5\:-\:\left(8\:-\:3\:-\:7\right)\right]$
$-99+128-34-12-128$
$1-2\sen^{2}15^{\circ}$
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