Solve the equation by completing the square.
-$$2 x ^ { 2 } + 7 x + 3 = 0$$
A) $\{ 3 , - 1 \}$
B) $\left\{ - 2 \pm \frac { \sqrt { 3 } } { 2 } \mathrm { i } \right\}$
C) $\left\{ \frac { - 7 \pm 2 \sqrt { 6 } } { 4 } \right\}$
D) $\left\{ - 3 , - \frac { 1 } { 2 } \right\}$

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The Answer of Solve the equation by completing the square.
-$$2 x ^ { 2 } + 7 x + 3 = 0$$
A) $\{ 3 , - 1 \}$
B) $\left\{ - 2 \pm \frac { \sqrt { 3 } } { 2 } \mathrm { i } \right\}$
C) $\left\{ \frac { - 7 \pm 2 \sqrt { 6 } } { 4 } \right\}$
D) $\left\{ - 3 , - \frac { 1 } { 2 } \right\}$

Solve the Equation by Completing the Square 2x2+7x+3=02 x ^ { 2 } + 7 x + 3 = 02x2+7x+3=0

Solve the Equation by Completing the Square $2 x ^ { 2 } + 7 x + 3 = 0$