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  1. #31
    Youtro's Avatar
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    Quote Originally Posted by ASoldSoul View Post
    Soooo easy:

    1/x= 4-x
    x(4-x)=1
    4x-x2=1
    x2(x squared)-4x+1=0
    (x- 2)(x-2 )=0
    x=2 x=2 easy, thank you for reminding me of factorizing, really thanks mate.
    so 2 + 1/2 = 4?
    GG

    ---------- Post added at 12:26 AM ---------- Previous post was at 12:25 AM ----------

    Quote Originally Posted by ineedtotrade! View Post
    Dafuq are you talking about?
    3.732050808 + 1/3.732050808 = 4
    Use a calculator.



  2. #32
    Kenshin13's Avatar
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    x + 1/x = 4
    x - 4 = -1/x
    * x => x^2 - 4x = -1
    x^2 -4x + 1 = 0

    Then...
    Well solved.

  3. #33
    People aren't against you;
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    The answer is....coming in 6hours
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  4. #34
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    lel easy equation,

    x=2-√3
    x=2+√3

  5. #35
    pedbera's Avatar
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    The solution has been posted !! (On the first page)
    Quote Originally Posted by walid1010 View Post
    lel easy equation,

    x=2-√3
    x=2+√3
    Post the steps... how did u solve it.

    Quote Originally Posted by Youtro View Post
    3.732050808
    ^the answer. Btw I just learned how horrible in math the rest of the world is.
    True, people suck soo bad at maths x]


    Quote Originally Posted by Kenshin13 View Post
    x + 1/x = 4
    x - 4 = -1/x
    * x => x^2 - 4x = -1
    x^2 -4x + 1 = 0

    Then...
    Well solved.
    Ahaaa i was like you xD, i stoped at the x^2 - 4x +1 part, then i took out a paper, and spent 10 minutes on the toilet trying to figure it out XDD
    --
    Quote Originally Posted by Kenshin13 View Post
    Soooo easy:

    1/x= 4-x
    x(4-x)=1
    4x-x2=1
    x2(x squared)-4x+1=0
    (x- 2)(x-2 )=0
    x=2 x=2 easy, thank you for reminding me of factorizing, really thanks mate.
    Aha nope :P, you cannot factor 1/x, but you can factor something like x/4 example :

    x + x/4 + 3x = 0
    x(1 + 1/4 + 3) = 0
    17x/4 = 0
    17x = 4 * 0 ------> x = 17 * 0 -------> x = 0
    x = 0
    Last edited by pedbera; 07-30-2013 at 05:15 PM.

  6. #36
    walid1010's Avatar
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    Quote Originally Posted by pedbera View Post
    The solution has been posted !! (On the first page)

    Post the steps... how did u solve it.[COLOR=Silver]
    ok then.

    Solve for x over the real number

    x+1/x=4 write
    (the left hand side as a single fraction)

    Bring x+1/x together using the common denominator x:

    x^2+1/x=4
    (multiply both sides by a polynomial to clear fraction)

    Multiply both sides by x:

    x^2+1=4x
    (move everything to the left hand side)

    Subtract 4x from both sides

    x^2-4x+1=0
    (solve the quadratic equation by completing the square)

    Subtract 1 from both sides:

    x^2-4x=-1
    (take one half of the coefficient of x and square it. then add it to both sides)

    Add 4 to both sides:

    x^2-4x+4=3
    (factor the left hand side)

    Write the left hand side as a square:

    (x-2)^2=3
    (eliminate the exponent on the left hand side)

    Take the square root of both sides:

    x-2=√3 or x-2=-√3
    (look at the first equation: solve for x.)

    Add 2 to both sides:

    x=2+√3 or x-2=-√3
    (look at the second equation: solve for x.)

    Add 2 to both sides:

    Answer:

    x=2+√3 or x=2-√3

    eh,told you easy

  7. #37
    Euphemistic's Avatar
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    Holy shit, it's like all the people who posted in this thread are asians.


    I didn't understand a single word/number.

  8. #38
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    really you're posting some math bs and it's summer?

  9. #39
    pedbera's Avatar
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    Quote Originally Posted by temeXiii View Post
    really you're posting some math bs and it's summer?
    Hah.., i obviously did not post it for you.
    Last edited by pedbera; 07-31-2013 at 02:29 AM.

  10. #40
    Plutonsvea's Avatar
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    Well give this a shot. It's actually really easy, but most peoples minds interpret it incorrectly.

    A bat and a ball cost a dollar and ten cents in total. The bad costs a dollar more than the ball. How much does the ball cost?
    Did I help you? You know what to do.

     





  11. #41
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    The answer you provided is only half correct. /smh

    .





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  12. #42
    TheFlyingDutchman''s Avatar
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    IT'S FUCKING SUMMER YOU FOOLS
    "People don't change.
    Circumstances do."


    "Trying to find succes without working hard is like trying to harvest where you did not sow"















    Bullpop












    Will be my supp in LoL


    You spin me right round right round

  13. #43
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    I am really good at math, now i fucking forgot how to do this.

  14. #44
    Don't be a prick, let me suck your dick.
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    My head hurts from looking at that.

  15. #45
    Xenocide's Avatar
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    Quote Originally Posted by Ghost View Post
    The math part of my brain turn into mush during the summer, might be due to all the alcohol
    That part of my brain is and always has been mush.

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