x^2-1/1-x

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Solution for x^2-1/1-x equation: 


x in (-oo:+oo)

x^2-x-(1/1) = 0

x^2-x-1 = 0

x^2-x-1 = 0

DELTA = (-1)^2-(-1*1*4)

DELTA = 5

DELTA > 0

x = (5^(1/2)+1)/(1*2) or x = (1-5^(1/2))/(1*2)

x = (5^(1/2)+1)/2 or x = (1-5^(1/2))/2

x in { (1-5^(1/2))/2, (5^(1/2)+1)/2 }

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