3/x+1 + 4/x-1=29/4x-1
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3/×+1 + 4/×-1 = 29/4×-1
3x -3 +4x +4 /x^2-1=29x^2 -29
7x+1=29x^2-29
(4x-1)(7x+1)=29x^2-29
28x^2 +4x -7x -1=29x^2 -29
28x^2 -3x -1=29x^2-29
-x^2-3x +28=0
x^2+3x-28
x^2+7x-4x-28
x(x+7)-4(x+7)
|x= 4| or |x =-7|
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