$b^2-14b+4$
$5^{2-2}$
$\int\frac{x^2+1}{x.\sqrt{x^4+1}}dx$
$12sin^{\left(2\right)}\theta\:-6=\cos\:\theta\:$
$m^{2}-11m+30\text{entre}x+5$
$\left(2x^3+4x^2-8x+6\right)+\left(3x^2+9x-10\right)+\left(2x^2+5x-2\right)$
$\lim_{x\to3}\left(\frac{x^3+2x}{x-3}\right)$
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