quadratic equations

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596

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7x^2-12x-1=0

Guest Nov 7, 2013

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1⁺⁰ Answers

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x = [12 + ( 144 + 28 )^ 0.5 ]/14
or. [12 - ( 144 + 28 )^ 0.5 ]/14

x = (6 + sqrt(43))/7 or (6-sqrt(43))/7

MrBigbig Nov 8, 2013

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