x^2=2/9x

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Solution for x^2=2/9x equation: 


x in (-oo:+oo)

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

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

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

x^2-2/9*x = 0

DELTA = (-2/9)^2-(0*1*4)

DELTA = 4/81

DELTA > 0

x = ((4/81)^(1/2)+2/9)/(1*2) or x = (2/9-(4/81)^(1/2))/(1*2)

x = 2/9 or x = 0

x in { 0, 2/9 }

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