Write the following in the form
a
x
+
b
2
+
c
Question 1:
3
x
2
+
15
x
+
5
3
x
+
5
2
2
−
55
4
Question 2:
4
x
2
+
2
x
+
3
4
x
+
1
4
2
+
11
4
Question 3:
2
x
2
−
11
x
−
1
2
x
−
11
4
2
−
129
8
Question 4:
4
x
2
−
10
x
+
7
4
x
−
5
4
2
+
3
4
Question 5:
5
x
2
−
2
x
+
6
5
x
−
1
5
2
+
29
5
Question 6:
4
x
2
−
12
x
−
4
4
x
−
3
2
2
−
13