Solve the following equation by completing the square. x^2-8x-2=0

asked May 4, 2023 138k views

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4 votes

$x^2 -8x-2=0\\\\x^2 -8x=2\\\\x^2 -8x+16=18\\\\(x-4)^2 =18\\\\x-4=\pm √(18)\\\\\boxed{x=4 \pm √(18)}$

Brian Garson answered May 8, 2023

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