Solved

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

Question 334

Multiple Choice

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

A) $4 + \sqrt { 23 }$
B) $- 1 \pm \sqrt { 23 }$
C) $- 4 \pm \sqrt { 23 }$
D) $- 4 \pm 2 \sqrt { 23 }$

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