lisapressley2001 lisapressley2001

27-12-2016
Mathematics

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Solve using quadratic formula. 7x^2-12x+3=0

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27-12-2016

x = (12 +- sqrt (144 -4(7)(3))/14
x = (12 + - sqrt (144 - 84))/14
x = (12 + - sqrt(60))/14
x = (12 + - 2sqrt 15))/14
x = (6 + - sqrt 15) / 7

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