$\int\frac{x+1}{x^3+2x^2}dx$
$\frac{sec\theta\:+tan\theta\:}{cot\theta\:\:+cos\theta\:\:}$
$2.\left(-13\right)$
$x^5-32\:=\:0$
$x^2+x=20$
$\left(-1+a^2\right)^2$
$\int\frac{\left(3-2x\right)}{-x^2+3x+6}dx$
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