w^2/8-w/2-4=0

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Solution for w^2/8-w/2-4=0 equation: 


w in (-oo:+oo)

(w^2)/8-(w/2)-4 = 0

1/8*w^2-1/2*w-4 = 0

DELTA = (-1/2)^2-(-4*1/8*4)

DELTA = 9/4

DELTA > 0

w = ((9/4)^(1/2)+1/2)/(1/8*2) or w = (1/2-(9/4)^(1/2))/(1/8*2)

w = 8 or w = -4

w in { -4, 8 }

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