Solve the Equation Using the Quadratic Formula $( 2 x - 1 ) ( x + 1 ) = 6$

question 428

Multiple Choice

Solve the equation using the quadratic formula.
- $( 2 x - 1 ) ( x + 1 ) = 6$

• A) \(\left\{ \frac { - 1 \pm \sqrt { 57 } } { 4 } \right\}\)
• B) \(\left\{ \frac { 1 \pm \sqrt { 57 } } { 2 } \right\}\)
• C) \(\left\{ \frac { - 1 \pm \sqrt { 17 } } { 2 } \right\}\)
• D) \(\left\{ \frac { 1 \pm \sqrt { 57 } } { 4 } \right\}\)

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