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Thread: Find the number

  1. #1
    Expert Member
    Join Date
    Jan 2007
    Answers
    249

    Cool Find the number

    I think of a positive number, add one, multiply my answer by itself, take away twice the number I first thought of, and my answer is 26. What number did I think of?


  2. #2
    Contributing Member
    Join Date
    Sep 2006
    Answers
    962

    Re: Find the number

    The answer is 5.

    My Solution:

    x = unknown number...

    According your clue, form one equation.

    (x+1)(x+1) - 2x = 26

    If you simplify this equation, you will get a result 5.

    ---------------------
    suresh


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