x^2-2/3x=8/9

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Solution for x^2-2/3x=8/9 equation: 


x in (-oo:+oo)

x^2-((2/3)*x) = 8/9 // - 8/9

x^2-((2/3)*x)-(8/9) = 0

x^2+(-2/3)*x-8/9 = 0

x^2-2/3*x-8/9 = 0

DELTA = (-2/3)^2-(-8/9*1*4)

DELTA = 4

DELTA > 0

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

x = 4/3 or x = -2/3

x in { -2/3, 4/3 }

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