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Math Help - Simplifying rational expressions

  1. #1
    hi0
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    Simplifying rational expressions

    Kind of a tough one, not sure how to start--I'm sure it's easy I just get braindead looking at this problem.

    28x^6+28x^4+14x^3
    ------------------------------
    7x^5

    Simplify

    Any help would be most appreciated
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  2. #2
    Senior Member yeKciM's Avatar
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    Quote Originally Posted by hi0 View Post
    Kind of a tough one, not sure how to start--I'm sure it's easy I just get braindead looking at this problem.

    28x^6+28x^4+14x^3
    ------------------------------
    7x^5

    Simplify

    Any help would be most appreciated
    that's :

     \displaystyle \frac {28x^6+28x^4+14x^3}{7x^5} = \frac {7 x^3 (4x^3+4x+2) }{7x^5} = \frac {4x (x^2+1)+2}{x^2 }
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  3. #3
    hi0
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    Quote Originally Posted by yeKciM View Post
    that's :

     \displaystyle \frac {28x^6+28x^4+14x^3}{7x^5}

    ??
    Yes, exactly.
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