Solve the Equation by Completing the Square $$x ^ { 2 } + 18 x = - 58$$

question 88

Multiple Choice

Solve the equation by completing the square.
- $$x ^ { 2 } + 18 x = - 58$$

• A) \(\{ - 18 + \sqrt { 58 } \}\)
• B) \(\{ - 9 - \sqrt { 23 } , - 9 + \sqrt { 23 } \}\)
• C) \(\{ 9 + \sqrt { 23 } \}\)
• D) \(\{ 9 - \sqrt { 58 } , 9 + \sqrt { 58 } \}\)

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