$\left(x^m-1\right)\left(11x^m+11\right)$
$8a.\left(7a+3\right)$
$\int\frac{2x^4-2}{x^2\left(x^2-1\right)}dx$
$4k^2-12k+9$
$2x^2-3x^{-2}-5x^2+2x-m$
$\left(3i+j-k\right)+\left(2i+3j-4k\right)$
$194x^6y^4-308x^4y^5+121x^2y^6$
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