To solve the quadratic equation x² - 6x + 2 = 0 by completing the square, we can follow these steps:
1. Move the constant term to the right side of the equation:
x² - 6x = -2
2. Take half of the coefficient of x, square it, and add it to both sides of the equation:
x² - 6x + (-6/2)² = -2 + (-6/2)²
x² - 6x + 9 = -2 + 9
x² - 6x + 9 = 7
3. Factor the left side of the equation as a perfect square:
(x - 3)² = 7
4. Take the square root of both sides of the equation:
5. Solve for x:
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