Rewrite 
2
x
6
−
9
x
5
+
4
x
2
−
5
x
3
−
5
2
x
6
-
9
x
5
+
4
x
2
-
5
x
3
-
5
in the form 
q
(
x
)
+
r
(
x
)
b
(
x
)

.
q
(
x
)
+
r
(
x
)
b
(
x
)

.
What is 
q
(
x
)

?
q
(
x
)

?