2x+1/6x^2+x-1

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Solution for 2x+1/6x^2+x-1 equation: 


x in (-oo:+oo)

(1/6)*x^2+2*x+x-1 = 0

1/6*x^2+3*x-1 = 0

DELTA = 3^2-(-1*1/6*4)

DELTA = 29/3

DELTA > 0

x = ((29/3)^(1/2)-3)/(1/6*2) or x = (-(29/3)^(1/2)-3)/(1/6*2)

x = 3*((29/3)^(1/2)-3) or x = -3*((29/3)^(1/2)+3)

x in { -3*((29/3)^(1/2)+3), 3*((29/3)^(1/2)-3) }

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