x^2+13/9x=4/9x

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Solution for x^2+13/9x=4/9x equation: 


x in (-oo:+oo)

x^2+(13/9)*x = (4/9)*x // - (4/9)*x

x^2+(13/9)*x-((4/9)*x) = 0

x^2+(13/9)*x+(-4/9)*x = 0

x^2+x = 0

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

DELTA = 1

DELTA > 0

x = (1^(1/2)-1)/(1*2) or x = (-1^(1/2)-1)/(1*2)

x = 0 or x = -1

x in { -1, 0 }

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