Question 862295
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Hi
8x^3+8x+5/2x-1
Using synthetic division for x = -1/2
-0.5	8	0	8	5
		-4	2	-5
	8	-4	10	0
(x+.5)(8x^2 - 4x + 10)
       {{{x = (4 +- sqrt( 304))/(16) }}} 
       {{{x = (4 +- sqrt( 16*19))/(16) }}} 
       {{{x = .25 +- .25sqrt(19)}}} 
One real root x = -.5  and two imaginary .25 ± .25&#8730;19