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 ± √b² - 4ac
20
Ox=-(-1) IV- 1)2 - 4(1)(-4)
2(1)
Ox= -1312 – 41- 1)(-4)
2(-1)
x=
-16V (1)2 – 4(-1)(-2)
2(-1)
x= -(-1){V(-1)2 - 4(1)(-2)
2(1)