Fill in the steps to complete the square:
x2 +12x − 14 = 0
2
+
12
−
14
=
0
x2 + 12x = 14
2
+
12
=
14
x2 +12x +
2
+
12
+
−
8
−
8
=
0
(x + 6)2 = 22
x + 6 = ±√22
x = -6 ± √22