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  1. #1
    memjess's Avatar
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    Unhappy Algebra solver about ((x-8)/(6))^(2)-2((x-8)/(6))+1=0

    there is an algebra math question. Look at the function: ((x-8)/(6))^(2)-2((x-8)/(6))+1=0. Please calculate it for me. can anyone help me? Thanks a lot.
    http://www.bidanswer.com/Questions/Q...nfo_10225.html

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    SizemanBackup's Avatar
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    @Alen Or @Shunnai it's doesn't go into warrock
    So Close.

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    /Moved to help and requests

    Warrock Minion 8-13-2011 - N/A
    A.V.A Minion since 11-1-11 - 11-12-11

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    Yeah wrong help and request section

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    Lucianberg (10-28-2011)

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    Wrong section.

    ((x-8)/(6))^(2)-2((x-8)/(6))+1=0
    (x/6)^2-(8/6)^2-2(x/6-8/6)+1=0
    x^2/36-64/36-2(x-8/6)+1=0
    x^2-64/36-(2x-16/6)+1=0
    x^2-64-12x-96/36+1=0
    x^2-12x-160/36+1=0
    x.x-12x-60/36+1=0

    I don't know further...
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  7. #6
    Occidi de Pax's Avatar
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    @memjess result here
    Dunno if correct (until that phrase its correct)
    Music historian here to please and displease,learning to teach all you peeps,so stop by the music part of the forum,and ask the question to your needs.

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    Lucianberg (10-28-2011)

  9. #7
    Alen's Avatar
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    Quote Originally Posted by memjess View Post
    there is an algebra math question. Look at the function: ((x-8)/(6))^(2)-2((x-8)/(6))+1=0. Please calculate it for me. can anyone help me? Thanks a lot.
    Algebra solver about ((x-8)/(6))^(2)-2((x-8)/(6))+1=0 for a sophmore student. -BidAnswer.com Fast helps for all your questions.
    The "simple" way to do it, hope I didn't make any trivial mistakes:



    Quote Originally Posted by Chuck View Post
    Wrong section.

    ((x-8)/(6))^(2)-2((x-8)/(6))+1=0
    (x/6)^2-(8/6)^2-2(x/6-8/6)+1=0
    x^2/36-64/36-2(x-8/6)+1=0
    x^2-64/36-(2x-16/6)+1=0
    x^2-64-12x-96/36+1=0
    x^2-12x-160/36+1=0
    x.x-12x-60/36+1=0

    I don't know further...
    You can't do this ...



    Derp:



    Quote Originally Posted by ultimateon View Post
    @memjess result here
    Dunno if correct (until that phrase its correct)
    http://gyazo.com/4187cc95ea6db85fcd84371bc5a2f689.png
    Derp 2:


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    [MPGH]Lehsyrus (10-29-2011)

  11. #8
    Cyberdyne's Avatar
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    You must be kidding...


    I'm too lazy to type out the answer. But here is WolframAlpha's answer:





  12. #9
    Lucianberg's Avatar
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    Quote Originally Posted by Alen View Post
    The "simple" way to do it, hope I didn't make any trivial mistakes:





    You can't do this ...



    Derp:





    Derp 2:

    A fuck I failed. We didn't even come to that in maths. We're at advanced potentions...

    What grade are you? I'm freshman gymnasium...
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  13. #10
    Alen's Avatar
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    Quote Originally Posted by Chuck View Post
    A fuck I failed. We didn't even come to that in maths. We're at advanced potentions...

    What grade are you? I'm freshman gymnasium...
    Last year of IB, though this is supposed to be like 1st / 2nd year gymnasium stuff

  14. #11
    Lehsyrus's Avatar
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    Quote Originally Posted by Alen View Post
    The "simple" way to do it, hope I didn't make any trivial mistakes:





    You can't do this ...



    Derp:





    Derp 2:

    I noticed a mistake. You need to distribute the 2 before being able to close it as variable l, but at that point the numerical digits change along with the value of x.

    ((x-8)/(6))^(2)-2((x-8)/(6))+1=0

    ((x-8)/(6))^(2)+((-2x+16)/(-12))+1=0


    Both ways still work however, I don't feel like writing out the rest of my math as I haven't had to worry about math in a couple of years and it hurts my head.

  15. #12
    Alen's Avatar
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    Quote Originally Posted by Lehsyrus View Post
    I noticed a mistake. You need to distribute the 2 before being able to close it as variable l, but at that point the numerical digits change along with the value of x.

    ((x-8)/(6))^(2)-2((x-8)/(6))+1=0

    ((x-8)/(6))^(2)+((-2x+16)/(-12))+1=0

    Both ways still work however, I don't feel like writing out the rest of my math as I haven't had to worry about math in a couple of years and it hurts my head.
    Err, not sure what you're trying to say but the value of x remains constant all the time and

  16. #13
    Lehsyrus's Avatar
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    Quote Originally Posted by Alen View Post
    Err, not sure what you're trying to say but the value of x remains constant all the time and
    My bad I was thinking of another way to solve the problem.

  17. #14
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    Quote Originally Posted by Lehsyrus View Post


    My bad I was thinking of another way to solve the problem.
    Actually fuck that, I accidentally forgot to copy & paste the -2 you wrote. Lazy me.



    But yeah, what I wrote was (if you noticed the slight typo) right.

  18. #15
    Lehsyrus's Avatar
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    Quote Originally Posted by Alen View Post
    Actually fuck that, I accidentally forgot to copy & paste the -2 you wrote. Lazy me.



    But yeah, what I wrote was (if you noticed the slight typo) right.
    True true, just a shorthand method, I always seem to take the longer ways to solve problems

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