What are the solutions to the equation x2 + 9x + 12 = 6?
A
x = -3 is the only solution.
x = -6; x = -15
B
C
x=
D x=
+
√105
2
-
=
;x
2
-
✓105
2
9
+ √57;x = -2- √57
2
2
