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Math

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27a4b7 (A-1)3
----------- • ------------ = ?
3a2-6a-3 9ab

  • Math -

    3a^2-6a-3 = 3(a-1)^2, so we end up with

    27a^4b^7(a-1) / 27ab = a^3b^6/(a-1)

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