$\left(\frac{1}{3}x+6\right)^3$
$+9+4+3+5+10$
$5\tan\left(x\right)+3=0$
$\int z^7dz$
$\frac{cos^2x-sen^2x+cosx.senx}{cos^2x}$
$\frac{2x^2-3x^2+7x-5}{x-1}$
$\left(x-1\right)\left(m+2\right)+m\left(x-1\right)$
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