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(81a^2/2a^2-4a+2) * (2a-2/9a)

Please help. Thanks

  • Multiplying -

    factor it to look like

    81a^2/(2(a+1)(a-1)) * 2(a-1)/(9a)

    then cancel to leave you with
    9a/(a-1) , a ≠ 1

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