$100x^2-120x+36$
$-\frac{1}{2}\left(7-sin\left(\frac{t}{2}\right)\right)^4$
$3\cot\left(x\right)=9$
$cot^2\theta\:=7-2cosec\theta\:$
$3ax^2y-18a^3x^2y^2+21a^2x^2yz$
$3\left(7x+4\right)-5x$
$\int\frac{\left(x+5\right)}{x+7}dx$
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