Select the correct answer. Solve the equation by completing the square. x^2-18x+58=0 A x=9pm sqrt (139) B. x=9pm sqrt (23) C x=-9pm sqrt (139) D. x=-9pm sqrt (23) A D B C

To solve the equation by completing the square, follow these steps:1. Move the constant term to the right side of the equation: 2. Add to both sides of the equation, where is the coefficient of : 3. Factor the left side as a perfect square: 4. Take the square root of both sides: 5. Solve for : Therefore, the correct answer is B. $x=9\pm \sqrt {23