Solve the Equation by Completing the Square $$x ^ { 2 } + 6 x = 31$$

question 39

Multiple Choice

Solve the equation by completing the square. Express any complex numbers using i notation.
- $$x ^ { 2 } + 6 x = 31$$

• A) \(x = - 3 \pm 2 \sqrt { 10 }\)
• B) \(x = - 3 \pm 2 \sqrt { 20 }\)
• C) \(x = 2 \sqrt { 10 } \pm 3\)
• D) \(x = \pm 2 \sqrt { 10 }\)

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