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February 28, 2015

February 28, 2015

Posted by **Sam** on Friday, April 20, 2012 at 3:08pm.

- Mathematics -
**Damon**, Friday, April 20, 2012 at 3:16pm3 x^2 + 2 x + 1

3 [x^2 + 2/3 x + 1/3]

3 [ x^2 + 2/3 x + 4/36 + 1/3 - 4/36 ]

3 [ (x+2/6)^2 + 3/9 - 1/9 ]

3 [ (x+1/3)^2 + 2/9 ]

3 (x+1/3)^2 + 2/3

- Mathematics -
**Damon**, Friday, April 20, 2012 at 3:17pmI used "completing the square" which you will find in your text under solving quadratic equations.

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