$\left(9x^4z^5-3z^6\right)\left(-8x^3z\right)$
$9a^2-12x+9$
$17p\:+\:10\:+\:52q\:+\:13p\:-\:2q$
$\frac{5x-10}{5}$
$7+5inx=2$
$x-3y\:para\:x=5\:e\:y=2$
$\cos\left(60\right)+\sin\left(60\right)=\tan\left(60\right)$
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