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Math Help - is there any possible factor of the rational expression before will be solved ?

  1. #1
    rcs
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    is there any possible factor of the rational expression before will be solved ?

    is there any possible factor of the rational expression before will be solved ?-ttt.jpg
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  2. #2
    Senior Member BAdhi's Avatar
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    for the first one, multiply and divide by the conjugate of the numerator and use (a^3-b^3)=(a-b)(a^2+ab+b^2)

    second one multiply and divide by the conjugate of the numerator twice..
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