$\int\left(cot\left(mx\right)csc^2\left(mx\right)\right)dx$
$\left(y+7\right)\left(y-7\right)$
$4ab^2+6ab^2-6a^2b$
$3a\left(4a-5b\right)\:$
$\lim_{t\to2}\left(t^3i+t^4j+t^5k\right)$
$1.3\cdot10^4$
$\frac{c^9\:d^{-7}}{c^{14}\:d^{-10}}\:$
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