2x^2/9-x=5/9

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Solution for 2x^2/9-x=5/9 equation: 


x in (-oo:+oo)

(2*x^2)/9-x = 5/9 // - 5/9

(2*x^2)/9-x-(5/9) = 0

(2*x^2)/9-x-5/9 = 0

2/9*x^2-x-5/9 = 0

DELTA = (-1)^2-(-5/9*2/9*4)

DELTA = 121/81

DELTA > 0

x = ((121/81)^(1/2)+1)/(2/9*2) or x = (1-(121/81)^(1/2))/(2/9*2)

x = 5 or x = -1/2

x in { -1/2, 5 }

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