2x^2+5x-3/6-x-x^2

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Solution for 2x^2+5x-3/6-x-x^2 equation: 


x in (-oo:+oo)

2*x^2-x^2+5*x-x-(3/6) = 0

2*x^2-x^2+5*x-x-1/2 = 0

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

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

DELTA = 18

DELTA > 0

x = (18^(1/2)-4)/(1*2) or x = (-18^(1/2)-4)/(1*2)

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

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

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