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posted by on .

I need to subtract and simplify

2/x^2-6x-27 -1/x^-12-27

I got so far

2/(x-9)(x+3) - 1/(x+9)(x+3)

not sure what to do next...please help

  • math - ,

    lowest common denominator is

    (2(x+9) - (x-9))/lcd or

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