$7\left(ln\left(x\right)\right)n$
$\tan\left(x\right)x+\tan^2\left(x\right)$
$9x^3-x$
$\left(-2ab^2+c^3b^{\frac{1}{2}}\right)\left(2ab^2+c^3b\frac{1}{2}\right)$
$39x+33x-30\:$
$y=2sin2xcos2x$
$25a^2+20a+16$
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