x^2-4/9x+4/81

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Solution for x^2-4/9x+4/81 equation: 


x in (-oo:+oo)

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

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

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

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

DELTA = 0

x = 4/9/(1*2)

x = 2/9 or x = 2/9

x in { 2/9, 2/9 }

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