Answers

2015-07-15T21:48:56+08:00
x=-b \sqrt b ^2 -4ac
                 2a

Can you wait I'll solve it
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I am sorry I can't answer it I'm too noob
2015-07-15T22:30:53+08:00
(2+squareroot of 3)/ 2
&
(2-squareroot of 3)/2
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