SOLUTION: Solve X^2-4X+1=0 for X
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Question 1198392
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Solve X^2-4X+1=0 for X
Answer by
Alan3354(69443)
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Solve X^2-4X+1=0 for X
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Using completion of the square and lower case x:
X^2-4X+1=0
x^2 - 4x = -1
Add 4
x^2 - 4x + 4 = 3
(x-2)^2 = 3
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