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Math Help - algebra equation

  1. #1
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    algebra equation

    if aČ - bČ -17=0
    what is a times b


    can you explain how to do that?
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  2. #2
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    Quote Originally Posted by johnerdem View Post
    if aČ - bČ -17=0
    what is a times b


    can you explain how to do that?
    Hint: 81 - 64 = 17.
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  3. #3
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    Question Only guess?

    So this question is a guess work but no formule or something?
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  4. #4
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    Quote Originally Posted by johnerdem View Post
    So this question is a guess work but no formule or something?
    It's not hard to guess.

    A general solution to a^2 - b^2 = 17, where a and b are integers, can be found without guesswork using the theory of solving diophantine equations: Diophantine equation - Wikipedia, the free encyclopedia
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