x^2-(x/2)=1.35

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Solution for x^2-(x/2)=1.35 equation: 


x in (-oo:+oo)

x^2-(x/2) = 1.35 // - 1.35

x^2-(x/2)-1.35 = 0

x^2-1/2*x-1.35 = 0

DELTA = (-1/2)^2-(-1.35*1*4)

DELTA = 5.65

DELTA > 0

x = (5.65^(1/2)+1/2)/(1*2) or x = (1/2-5.65^(1/2))/(1*2)

x = (5.65^(1/2)+1/2)/2 or x = (1/2-5.65^(1/2))/2

x in { (1/2-5.65^(1/2))/2, (5.65^(1/2)+1/2)/2 }

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