Write the following in the form
x
+
a
2
+
b
Question 1:
x
2
−
12
x
+
8
x
−
6
2
−
28
Question 2:
x
2
+
2
x
−
3
x
+
1
2
−
4
Question 3:
x
2
−
14
x
+
8
x
−
7
2
−
41
Question 4:
x
2
+
12
x
−
5
x
+
6
2
−
41
Question 5:
x
2
−
2
x
+
10
x
−
1
2
+
9
Question 6:
x
2
−
8
x
−
10
x
−
4
2
−
26
