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mygif
Dave aka Spider Monkey Said,
February 4th, 2011 @9:05 am  

x^2 +18x+58=0

a=1 b=18 c=58

-18+/- sq rt 18^2-4(1)(58)/2
-18+/- sq rt 324- 232/2
-18+/- sq rt 92 /2
x=-18+/- sq rt 4 * sq rt 23/2
x=-18+/- 2 sq rt 23/2
x= -9 +/- sq rt 23

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