$-10n+10n=0$
$xy-y=2x^2y$
$\left(x^m-1\right)\left(11x^m+11\right)$
$\int\frac{8x-64}{x^2\left(x^2+64\right)}dx$
$7\sin^2-2\sec^2+7\cos^2+2\tan^2$
$\lim_{x\to\infty}\left(\frac{x^{\frac{3}{2}}}{e^{5x}}\right)$
$2\left(2a\:+\:b\right)\:+\:8$
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