math

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My digits are the same. Their sum is 3 less than their products. Who am I?

  • math -

    33.
    Same digits.
    Sum: 3+3=6.
    Products:3*3=9.
    6=9-3. {Sum(6) is 3 less than products (9)}.

  • math -

    2x = x^2 - 3
    x^2 - 2x - 3 = 0
    (x-3)(x+2) = 0
    x = 3 or -2, let's reject the negative answer

    you are 33

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