$\frac{x^6-1}{x-1}$
$\int\left(-12x^3-10x^2\right)dx$
$\int\frac{1}{x^2\sqrt{9-16x^2}}dx$
$\lim_{x\to0}\left(2sec^22x\right)$
$10\left(10x\:+\:9\right)\:-3\:\left(-8x\:+9\right)$
$25x^2=100x-118$
$2a\sqrt{44a^3b^7c^9}$
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