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Math Help - simplifying

  1. #1
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    simplifying

    Hi does anybody know how to simplify this equation (with steps)?

    (bc)(ca) + (bc)(ab) + (ca)(ab)

    thanks
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  2. #2
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    Quote Originally Posted by djmccabie View Post
    Hi does anybody know how to simplify this equation (with steps)?

    (bc)(ca) + (bc)(ab) + (ca)(ab)

    thanks
    but this is not an equation ( ? ) simplify ? wouldn't you just get alll the like terms together?
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  3. #3
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    i simplyfied this to

    c^2ab + b^2ca + a^2bc

    as far as i know this is right but i somehow need to rearrange this because i know that

    a+b+c = -3/2

    ab+ac+bc = -13/2

    abc = 7/2

    so i need to arrange it so that i can substitute one or more of these values.
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