anonymous
  • anonymous
(x/x-2)-(x/x+2)=1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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sgadi
  • sgadi
I think something wrong in the question .... please correct it. Use "Equation" button to get the equation in good shape
anonymous
  • anonymous
do you think there are infinetly many solutions or none at all
anonymous
  • anonymous
Simplify the left hand side will give you (4x)/(x^2 - 4) = 1 [(4x)/(x^2 - 4) ]- 1 = 0 (x^2 - 4x - 4)/(x^2 - 4) = 0 => x^2 -4x -4 = 0 which you can solve by using the quadratic formula

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anonymous
  • anonymous
show me how to use it pls
anonymous
  • anonymous
roots are \[-2 (\sqrt(2) -1)and 2 ( \sqrt(2) +1)\]
anonymous
  • anonymous
kynosis is this the answer
anonymous
  • anonymous
Kynosis, you know how to type out the quadratic formula nicely, please show to Tru769150
anonymous
  • anonymous
I don't know how to type it here, sorry Tru
anonymous
  • anonymous
but is what kynosis posted the answer
anonymous
  • anonymous
\[ x=\frac{-b \pm \sqrt {b^2-4ac}}{2a}, \] which a is the coefficient of the x^2 term b is the coefficient of the x^1 term c is the coefficient of the x^0 term
anonymous
  • anonymous
so can you show me how i write this in there x^2-4x-4=0
anonymous
  • anonymous
Find the common denominator which is (x-2)(x+2) then the equation is \[x^2 -4x -4 = 0\]
anonymous
  • anonymous
\[ x=\frac{4 \pm \sqrt {4^2+4(4)}}{2}, \]
anonymous
  • anonymous
simplify and you have the same answer
anonymous
  • anonymous
so it would be 4+or -4squrt of 2/2

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