4x/ (x-2) = x + (8/(x-2))
4x/ (x-2) = (x2-2x)/(x-2) + (8/(x-2)
4x/ (x-2) = (x2-2x+8) / (x-2)
4x = x2-2x+8
x2-6x+8 = 0
(x-4) (x-2) = 0
x = 4 or x = 2
2007-07-14 04:53:41
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answer #1
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answered by amanaceo 1
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4x / (x - 2) = x + 8 / (x - 2)
4x = x (x - 2) + 8
4x = x² - 2x + 8
x² - 6x + 8 = 0
(x - 4) (x - 2) = 0
x = 4 is the acceptable answer. (x ≠ 2)
2007-07-15 19:54:53
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answer #2
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answered by Como 7
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minus 8/(x-2) from both sides therefore:
(4x-8)/(x-2)=x
or
(4x-8)/(x-2) - x(x-2)/(x-2)=0
therefore simplifying:
(4x-8-x(x-2))/(x-2)=0
therefore 4x-8-x(x-2)=0
4x-8-x^2+2x=0 or x^2-6x+8 = 0; which is the same as (x-2)(x-4) = 0
therefore x = 2 OR 4; but x cannot equal 2 since there is (x-2) as the denominator; hence
x = 4
2007-07-14 05:01:09
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answer #3
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answered by ShemaYisrael 2
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((4x)/(x-2)) = x + ((8)/(x-2))
multiply both sides by (x-2), then cancels out
the numerator and denominator with (x-2).
4x = (x-2)x + 8
4x = x²-2x + 8
x²-6x + 8 = 0
By Quadratic Equation:
x = [-b±√(b²-4ac)]/2a
x = 4
To chech this out:
((4x)/(x-2)) = x + ((8)/(x-2))
Substituting the value of x, we have:
(4(4)/(4-2)) = 4 + (8/(4-2)
16/2 = 4 + 8/2
8 = 4 + 4
8 = 8
LHS = RHS
2007-07-14 05:27:42
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answer #4
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answered by edison c d 4
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4x/x-2=x + 8/x-2
= 4x/x-2=x square -2x +8 /x-2
= 4x= x square -2x +8
= 2x = x square + 8
=x=x square + 8 /2
2007-07-14 04:53:53
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answer #5
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answered by Anonymous
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4x/(x-2) = x+(8/(x-2)) *(x-2)
4x=x(x-2)+8
x^2 - 6x + 8 = 0
x1=2 and x2=4
Your answer is X = 4
2007-07-14 05:03:56
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answer #6
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answered by bikstorm 2
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4x / (x - 2 ) = 8 / (x - 2 )
4 x = 8
x = 2
2007-07-14 04:48:09
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answer #7
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answered by CPUcate 6
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((4x)/(x-2)) = x + ((8)/(x-2))
((4x)/(x-2)) - ((8)/(x-2)) = x
(4x-8)/(x-2) = x
4x-8 = x(x-2)
4x-8 = (x^2)-2x
(x^2)-6x+8 = 0
(x-2)(x-4) = 0
x = 2 , x = 4
2007-07-14 04:54:34
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answer #8
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answered by Anonymous
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((4x)/(x-2)) = x + ((8)/(x-2))
4x/(x-2) = [x(x-2)+8]/(x-2)
[x^2-2x+8]/(x-2) - 4x/(x-2) = 0
[x^2-6x+8]/(x-2) = 0
[(x-4)(x-2)]/(x-2) = 0
x-4 = 0
x=4
2007-07-14 05:35:42
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answer #9
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answered by happygal 1
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2016-11-09 07:39:19
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answer #10
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answered by Anonymous
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