$7x^2-7x-14=0$
$-12569-8425$
$\int_{\sqrt{x}}^{x+1}\left(2xy\right)dy$
$\left(4x^3yz\right)^3$
$4\:+\:5\left(\:3x\:+\:1\:\right)$
$-\frac{1}{4}x^2+8x+\frac{7}{2}=0$
$m^3-8m^2+18m+7\:entre\:m\:-\:5$
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