(X^2/4)-(X/2)-1=0

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Solution for (X^2/4)-(X/2)-1=0 equation: 


X in (-oo:+oo)

(X^2)/4-(X/2)-1 = 0

1/4*X^2-1/2*X-1 = 0

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

DELTA = 5/4

DELTA > 0

X = ((5/4)^(1/2)+1/2)/(1/4*2) or X = (1/2-(5/4)^(1/2))/(1/4*2)

X = 2*((5/4)^(1/2)+1/2) or X = 2*(1/2-(5/4)^(1/2))

X in { 2*(1/2-(5/4)^(1/2)), 2*((5/4)^(1/2)+1/2) }

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