1-2x+x^2/4=0

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Solution for 1-2x+x^2/4=0 equation: 


x in (-oo:+oo)

(x^2)/4-(2*x)+1 = 0

(x^2)/4-2*x+1 = 0

1/4*x^2-2*x+1 = 0

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

DELTA = 3

DELTA > 0

x = (3^(1/2)+2)/(1/4*2) or x = (2-3^(1/2))/(1/4*2)

x = 2*(3^(1/2)+2) or x = 2*(2-3^(1/2))

x in { 2*(2-3^(1/2)), 2*(3^(1/2)+2) }

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