Which shows the correct substitution of the values a, b, and c from the equation -2 = -x + x2 - 4 into the quadratic formula?
Quadratic formula: x =
-b I/62-400
20
O x=-(-1)V(- 1)2 - 4(1)(-4)
2(1)
Ox=
- 11/12 - 4(- 1)(-4)
2(-1)
O x=-117(1)2-4(-117-2)
2(-1)
-(-1):«(- 1)2 - 4(1)(-2)
x =
2(1)