w^2/3-w/3-4=0

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Solution for w^2/3-w/3-4=0 equation: 


w in (-oo:+oo)

(w^2)/3-(w/3)-4 = 0

1/3*w^2-1/3*w-4 = 0

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

DELTA = 49/9

DELTA > 0

w = ((49/9)^(1/2)+1/3)/(1/3*2) or w = (1/3-(49/9)^(1/2))/(1/3*2)

w = 4 or w = -3

w in { -3, 4 }

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