SOLUTION: 3x2+6x+2=0

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Question 669938: 3x2+6x+2=0
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
3x%5E2+%2B+6x+%2B+2+=+0
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Divde the entire equation by 3
x%5E2+%2B+2x+%2B+2%2F3+=+0
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Complete the square
x%5E2+%2B+2x+%2B+1+=+-2%2F3+%2B+1
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%28x%2B1%29%5E2+=+1%2F3
sqrt%28x%2B1%29%5E2= +/-sqrt%281%2F3%29
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x+1 = +/- sqrt%281%2F3%29
x = -1+%2B-+sqrt%281%2F3%29
x = -1+%2B-+sqrt%281%2F3%29sqrt%283%2F3%29
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highlight_green%28x+=+-1+%2B-+sqrt%283%29%2F3%29
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