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x2 + 12x - 11 = x2 + 12x + (12/2)2 - (12/2)2 - 11

= (x + 6)2 - 47

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โˆ™ 2011-08-05 19:40:48
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A polynomial of degree zero is a constant term

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Q: What is the answer to completing the square to x2 plus 12x-11?
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