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Homework Help: Rearranging to make x the subject so i can solve

  1. Mar 27, 2009 #1
    1. The problem statement, all variables and given/known data

    Square root over all in brackets (x+2)/(x-2)=1/2

    2. Relevant equations


    3. The attempt at a solution

    -0.33? but need to show my working but used my calculator, i dont no how to get the x's to become one
  2. jcsd
  3. Mar 27, 2009 #2


    User Avatar
    Science Advisor
    Homework Helper

    Is it
    [tex]\sqrt{\frac{x + 2}{x - 2}} = \frac12[/tex]
    [tex]\frac{\sqrt{x + 2}}{x - 2}} = \frac12?[/tex]

    Anyway, first you want to get rid of the square root, then of the fraction and finally you will get a quadratic equation which you can solve.
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