<PRE><B>Question 1016955</B>
 (z)/(2)=(4z^2)-1 
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z = 8z^2 - 2
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8z^2 - z - 2 = 0
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z = [1 +- sqrt(1-4*8*-2)]/16
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z = [1 +- sqrt(65)]/2
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Cheers,
Stan H.
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