Solve the Equation by Completing the Square $$x ^ { 2 } + 8 x = 7$$

question 421

Multiple Choice

Solve the equation by completing the square.
- $$x ^ { 2 } + 8 x = 7$$

• A) \(\{ - 4 \pm \sqrt { 23 } \}\)
• B) \(\{ - 1 \pm \sqrt { 23 } \}\)
• C) \(\{ - 4 \pm 1 \sqrt { 23 } \}\)
• D) \(\{ 4 + \sqrt { 23 } \}\)

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