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Math Help - simplify 15/x^4 +2/x^2+2x+2

  1. #1
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    simplify 15/x^4 +2/x^2+2x+2

    what is the first step to do this??
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  2. #2
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    Re: simplify 15/x^4 +2/x^2+2x+2

    \frac{15}{x^4} + \frac{2}{x^2} + 2x + 2

    common denominator is x^4 ...
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  3. #3
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    Hello, daniels!

    Don't write the problem in the subject line.


    What is the first step to do this??
    Doesn't this look silly?

    Your problem could be:

    . . \begin{array}{c} \dfrac{15}{x^4} + \dfrac{2}{x^2} + 2x  + 2 \\ \\  \dfrac{15}{x^4} + \dfrac{2}{x^2+2x} + 2 \\ \\ \dfrac{15}{x^4} + \dfrac{2}{x^2+2x+2} \\ \\  \dfrac{15}{x^4 + \dfrac{2}{x^2}} + 2x + 2 \\ \\ \dfrac{15}{x^4 + \dfrac{2}{x^2+2x}} + 2 \\ \\  \dfrac{15}{x^4+\dfrac{2}{x^2+2x+2}} \end{array}


    But I bet it is: . \frac{15}{x^4} + \frac{2}{x^2+2x+2}


    First step: get a common denominator.
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