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Add or subtract as indicated. Express your results in simplest form.x^2/x-3-9/(x-3)

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    What have written is ambiguous unless you insert parentheses where they are needed to explain the order of operation.

    If you mean
    x^2/(x-3) -9/(x-3) ,
    then rewrite it as
    (x^2-9)/(x-3) = (x+3)(x-3)/(x-3) = x+3

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