Solve the quadratic equation and simplify your answer. Use i notation for any complex numbers.
- 
= - 
A. x = 
, x = 7
B. x = 
, x = 7
C. x = - 
, x = 7
D. x = 
, x = -7
Answer: A
Mathematics
- = - A. x = , x = 7
B. x = , x = 7
C. x = - , x = 7
D. x = , x = -7
Answer: A
3
= ?
+ 2)(
- 2)