SOLUTION: solve by completing the square: 7x^2-14x+3=0

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Question 206089This question is from textbook intermediate algebra
: solve by completing the square:
7x^2-14x+3=0 This question is from textbook intermediate algebra

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solve by completing the square:
7x^2-14x+3=0
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7x^2 - 14x = -3
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7(x^2-2x + ?) = -3 + 7*?
7(x^2-2x+1) = -3 + 7*1
7(x-1)^2) = 4
(x-1)^2 = 4/7
(x-1) = +/-2/sqrt(7)
x = 1 +- (2/7)sqrt(7)
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Cheers,
Stan H.