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

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


z in (-oo:+oo)

4*z^2-z-(1/2) = 0

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

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

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

DELTA = 9

DELTA > 0

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

z = 1/2 or z = -1/4

z in { -1/4, 1/2 }

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