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Solve the Equation by Completing the Square x2+3x−9=0x ^ { 2 } + 3 x - 9 = 0

Question 269

Multiple Choice

Solve the equation by completing the square.
- x2+3x−9=0x ^ { 2 } + 3 x - 9 = 0


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

Correct Answer:

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