x^2+1/3x^2+4x-1

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Solution for x^2+1/3x^2+4x-1 equation: 


x in (-oo:+oo)

x^2+(1/3)*x^2+4*x-1 = 0

4/3*x^2+4*x-1 = 0

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

DELTA = 64/3

DELTA > 0

x = ((64/3)^(1/2)-4)/(4/3*2) or x = (-(64/3)^(1/2)-4)/(4/3*2)

x = 3/8*((64/3)^(1/2)-4) or x = -3/8*((64/3)^(1/2)+4)

x in { -3/8*((64/3)^(1/2)+4), 3/8*((64/3)^(1/2)-4) }

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