4x^2-x/9=0

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Solution for 4x^2-x/9=0 equation: 


x in (-oo:+oo)

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

4*x^2-1/9*x = 0

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

DELTA = 1/81

DELTA > 0

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

x = 1/36 or x = 0

x in { 0, 1/36 }

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