8a
-
4b
+
16c
+
12d
=
____________________
.
(
____________________
-
____________________
+
____________________
+
____________________
)
7x2
+
11x3
-
4x5
+
3x4
-
x8
=
____________________
.
(
____________________
+
____________________
-
____________________
+
____________________
-
____________________
)
9x3
-
6x2
+
12x5
-
18x7
=
____________________
.
(
____________________
-
____________________
+
____________________
-
____________________
)
4
/
3
x
-
8
/
9
x3
+
16
/
15
x7
-
2
/
3
x5
=
____________________
/
____________________
____________________
.
(
____________________
-
____________________
/
____________________
____________________
+
____________________
/
____________________
____________________
-
____________________
)
9x2ab
-
3xa2b3
+
x2az
=
____________________
.
(
____________________
-
____________________
+
____________________
)
