z^2/6-3z/2-6=0

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Solution for z^2/6-3z/2-6=0 equation: 


z in (-oo:+oo)

(z^2)/6-((3*z)/2)-6 = 0

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

1/6*z^2-3/2*z-6 = 0

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

DELTA = 25/4

DELTA > 0

z = ((25/4)^(1/2)+3/2)/(1/6*2) or z = (3/2-(25/4)^(1/2))/(1/6*2)

z = 12 or z = -3

z in { -3, 12 }

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