Solve the Equation by Completing the Square $5 x ^ { 2 } - 7 x = 1$

question 279

Multiple Choice

Solve the equation by completing the square.
- $5 x ^ { 2 } - 7 x = 1$

• A) \(\left\{ - \frac { 7 } { 10 } \pm \frac { \sqrt { 69 } } { 10 } \mathrm { i } \right\}\)
• B) \(\left\{ \frac { - 7 \pm \sqrt { 69 } } { 10 } \right\}\)
• C) \(\left\{ \frac { 7 } { 10 } \pm \frac { \sqrt { 69 } } { 10 } \mathrm { i } \right\}\)
• D) \(\left\{ \frac { 7 \pm \sqrt { 69 } } { 10 } \right\}\)

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