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Solve by Completing the Square to Obtain Exact Solutions x2+5x5=0x ^ { 2 } + 5 x - 5 = 0

Question 173

Multiple Choice

Solve by completing the square to obtain exact solutions.
- x2+5x5=0x ^ { 2 } + 5 x - 5 = 0


A) 5352\frac { - 5 - 3 \sqrt { 5 } } { 2 }
B) 5±352\frac { - 5 \pm 3 \sqrt { 5 } } { 2 }
C) 5±35- 5 \pm 3 \sqrt { 5 }
D) 5+352\frac { 5 + 3 \sqrt { 5 } } { 2 }

Correct Answer:

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