9x^2-1/3x^2+2x-1

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Solution for 9x^2-1/3x^2+2x-1 equation: 


x in (-oo:+oo)

9*x^2-((1/3)*x^2)+2*x-1 = 0

9*x^2+(-1/3)*x^2+2*x-1 = 0

26/3*x^2+2*x-1 = 0

DELTA = 2^2-(-1*4*26/3)

DELTA = 116/3

DELTA > 0

x = ((116/3)^(1/2)-2)/(2*26/3) or x = (-(116/3)^(1/2)-2)/(2*26/3)

x = 3/52*((116/3)^(1/2)-2) or x = -3/52*((116/3)^(1/2)+2)

x in { -3/52*((116/3)^(1/2)+2), 3/52*((116/3)^(1/2)-2) }

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