Solve the Equation by Completing the Square $$x ^ { 2 } + 8 x = 5$$

question 2

Multiple Choice

Solve the equation by completing the square.
- $$x ^ { 2 } + 8 x = 5$$

• A) \(\{ - 4 - \sqrt { 21 } , - 4 + \sqrt { 21 } \}\)
• B) \(\{ - 1 - \sqrt { 21 } , - 1 + \sqrt { 21 } \}\)
• C) \(\{ - 4 - 2 \sqrt { 21 } , - 4 + 2 \sqrt { 21 } \}\)
• D) \(\{ 4 + \sqrt { 21 } \}\)

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