Using the quadratic formula to solve x2 = 5 – x, what are the values of x?
A
StartFraction negative 1 plus-or-minus StartRoot 21 EndRoot Over 2 EndFraction
B
StartFraction negative 1 plus-or-minus StartRoot 19 EndRoot i Over 2 EndFraction
C
StartFraction 5 plus-or-minus StartRoot 21 EndRoot Over 2 EndFraction
D
StartFraction 1 plus-or-minus StartRoot 19 EndRoot i Over 2 EndFraction