-x^2-1.5x+(4/9)=0

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Solution for -x^2-1.5x+(4/9)=0 equation: 


x in (-oo:+oo)

(-x)^2-(1.5*x)+4/9 = 0

(-x)^2-1.5*x+4/9 = 0

x^2-1.5*x+4/9 = 0

DELTA = (-1.5)^2-(4/9*1*4)

DELTA = 1.5^2-16/9

DELTA = 0.47222222

DELTA > 0

x = ((1.5^2-16/9)^(1/2)+1.5)/(1*2) or x = (1.5-(1.5^2-16/9)^(1/2))/(1*2)

x = ((1.5^2-16/9)^(1/2)+1.5)/2 or x = (1.5-(1.5^2-16/9)^(1/2))/2

x in { (1.5-(1.5^2-16/9)^(1/2))/2, ((1.5^2-16/9)^(1/2)+1.5)/2 }

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