$\int\frac{x+4}{x^3-2x^2}dx$
$\frac{12x^3+24x^2+21x+11}{3x+3}$
$2m\left(q+1\right)-q\frac{dq}{dm}=0$
$( 2 x - 4 ) ^ { 2 }$
$\frac{sin4\theta\:+sin8\theta\:}{sin4\theta\:-sin8\theta\:}$
$\lim_{x\to1}\left(x^2+3x+2\left(x+3\right)\right)$
$\frac{n^2}{n+1}$
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