algebra

posted by Randy

subtract, simplfy by removing a factor of 1 when possible.

19dc/d^2-c^2 - d-c/d+c

  1. Reiny

    You must mean ....
    19cd/(d^2 - c^2) - (d-c)/(d+c)
    then ...

    = 19cd/((d+c)(d-c) - (d-c)/(d+c)
    LCD is (d+c)(d-c)

    = ( 19cd - (d-c)(d+c) )/((d+c)(d-c) )
    = (c^2 + 19cd - d^2)/(d^2 - c^2)

    not much of a simplication.
    Confirm if my assumption of the question was correct.

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