2- =
(2x-1)/x=x/(x+2) x≠0 x≈-2
2x²+4x-x-2=x²
x²+3x-2=0
delta=9+8=17
x1=-3-√17/2
x2=-3+√17/2
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(2x-1)/x=x/(x+2) x≠0 x≈-2
2x²+4x-x-2=x²
x²+3x-2=0
delta=9+8=17
x1=-3-√17/2
x2=-3+√17/2