$\left(4x^3-2x\right)^4$
$\int\frac{x+4}{x+9}dx$
$m^2+9m+8$
$x^2+42x^2+9$
$\sin\left(4x\right)\cos\left(3x\right)-\cos\left(4x\right)\sin\left(3x\right)$
$\lim_{x\to0}\left(\frac{x\:sen\:x}{1+x^2}\right)$
$\frac{1}{3}+\:m^3\:\:^3$
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