Solved

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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