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    2x^2 +8x +5=0 How do i simplify to simplest radical form using completing square method?

    2x^2 +8x +5=0 Here's what i've done and what i'm stuck on. divided by 2 to get rid of a x^2 + 4x + 5/2=0 completed square (x+2)^2 -3/2 = 0 x+2= Sqrt of 3/2 x= Sqrt of 3/2 +2. What do i do after this? :S
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