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Math Help - Solving a radical equation.......

  1. #1
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    Solving a radical equation.......

    I cannot figure this part out for the life of me. I have it written in the picture so hopefully it's readable. Please let me know if you need another picture.
    Solving a radical equation.......-math.jpgClick image for larger version. 

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    Last edited by redlinethecar; January 24th 2011 at 02:15 PM. Reason: Forgot picture
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  2. #2
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    Quote Originally Posted by redlinethecar View Post
    I cannot figure this part out for the life of me. I have it written in the picture so hopefully it's readable. Please let me know if you need another picture.
    What picture?
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  3. #3
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    Sorry, I fixed it. My mind is not working right now
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  4. #4
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    \left(\sqrt{x+2}+2\right)^2=\left(\sqrt{x+2}+2\rig  ht)\left(\sqrt{x+2}+2\right)

    =\left(\sqrt{x+2}\right)\left(\sqrt{x+2}\right)+\l  eft(\sqrt{x+2}\right)2+2\left(\sqrt{x+2}\right)+2(  2)

    just as

    5^2=25

    (3+2)^2=(3+2)(3+2)=3(3+2)+2(3+2)=3(3)+3(2)+2(3)+2(  2)

    =9+6+6+4=25
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