x^2-(2/9)x=4/81

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Solution for x^2-(2/9)x=4/81 equation: 


x in (-oo:+oo)

x^2-((2/9)*x) = 4/81 // - 4/81

x^2-((2/9)*x)-(4/81) = 0

x^2+(-2/9)*x-4/81 = 0

x^2-2/9*x-4/81 = 0

DELTA = (-2/9)^2-(-4/81*1*4)

DELTA = 20/81

DELTA > 0

x = ((20/81)^(1/2)+2/9)/(1*2) or x = (2/9-(20/81)^(1/2))/(1*2)

x = ((20/81)^(1/2)+2/9)/2 or x = (2/9-(20/81)^(1/2))/2

x in { (2/9-(20/81)^(1/2))/2, ((20/81)^(1/2)+2/9)/2 }

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