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Adam555

  • 4 years ago

(4/x-1) + (5)/[(x+1)(x-1)] **** Would i be able to cross out the (x-1) in the denomerator?******

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  1. krypton
    • 4 years ago
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    no

  2. fretje
    • 4 years ago
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    (x+1)(x-1) equals x²-1 so you get (4/x-1) + (5)/(x²-1)

  3. fretje
    • 4 years ago
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    that looks cleaner, but it is not simpler

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