Using the quadratic formula to solve 2x2 = 4x – 7, what are the values of x?
A
2 plus-or-minus StartRoot 10 EndRoot i
B
1 plus-or-minus StartRoot 10 EndRoot i
C
StartFraction 2 plus-or-minus StartRoot 10 EndRoot i Over 2 EndFraction
D
1 plus-or-minus StartRoot 5 EndRoot i