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Solve the Equation by Completing the Square 8x2+7x=−28 x ^ { 2 } + 7 x = - 2

Question 158

Multiple Choice

Solve the equation by completing the square.
- 8x2+7x=−28 x ^ { 2 } + 7 x = - 2


A) {−7±1516}\left\{ \frac { - 7 \pm \sqrt { 15 } } { 16 } \right\}
B) {7±1516}\left\{ \frac { 7 \pm \sqrt { 15 } } { 16 } \right\}
C) {716±1516i}\left\{ \frac { 7 } { 16 } \pm \frac { \sqrt { 15 } } { 16 } \mathrm { i } \right\}
D) {−716±1516i}\left\{ - \frac { 7 } { 16 } \pm \frac { \sqrt { 15 } } { 16 } \mathrm { i } \right\}

Correct Answer:

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