Write the following in the form
x
+
a
2
+
b
Question 1:
x
2
−
14
x
+
10
x
−
7
2
−
39
Question 2:
x
2
−
2
x
+
5
x
−
1
2
+
4
Question 3:
x
2
−
12
x
+
6
x
−
6
2
−
30
Question 4:
x
2
+
12
x
+
2
x
+
6
2
−
34
Question 5:
x
2
+
14
x
+
1
x
+
7
2
−
48
Question 6:
x
2
+
2
x
−
8
x
+
1
2
−
9
