Which shows the correct substitution of the values a, b, and c from the equation-

2

+X4 into the quadratic formula?

Quadratic formula: x = -by- Aac

29

x = -(-1) *V(1)2 - 4(1) – 4)

2(1)

-1 V12-4-1)(-4)

2(-1)

x= -1*V(1)2 - 4 - 1)(-2)

21-1)

x==(-1):71-232 - 4(13–3)

2(1)