Use the Quadratic Formula to Solve the Equation $$( x + 3 ) ( x - 1 ) = 0$$

Multiple Choice

Use the quadratic formula to solve the equation.
- $$( x + 3 ) ( x - 1 ) = 0$$

A) $\{ 1 - 1,1 + 1 \}$
B) $[ - 1 - \sqrt { 7 } , - 1 + \sqrt { 7 } \}$
C) $\{ - 1 - 1 , - 1 + 1 \}$
D) $\{ 1 - \sqrt { 7 } , 1 + \sqrt { 7 } \}$