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x²+x-x-x+x/x-1/3-6/9+3=0
x²+x-x-x+x/x-1/3-2/3+3=0
x²-x+3=0
Δ=(-1)²-4*1*3
Δ=1-12
Δ=-11
Δ<0
Brak rozwiązań.
x∈Ф
x/x+5 + 2/x = 5+8x/x^2+5x
2/x-5x-8x/x²+x/x-5+5=0
2/x=5x-8*1/x+x/x-5+5=0
1x-5x-6*1/x=0
x*(1x-5x²-6x)=0
x-5x²-6=0
Δ=1²-4*(-5)*(-6)
Δ=1-120
Δ=-119
Δ<0
Brak rozwiązań.
x∈Ф