Multiplication of Polynomials
(
6
x
2
+
9
x
+
3
)
(
-4
x
2
-
9
x
+
4
)
=
(
6
x
2
)
(
-4
x
2
-
9
x
+
4
)
+
(
9
x
)
(
-4
x
2
-
9
x
+
4
)
+
(
3
)
(
-4
x
2
-
9
x
+
4
)
=
(
6
x
2
)
(
-4
x
2
)
+
(
6
x
2
)
(
-9
x
)
+
(
6
x
2
)
(
4
)
+
(
9
x
)
(
-4
x
2
)
+
(
9
x
)
(
-9
x
)
+
(
9
x
)
(
4
)
+
(
3
)
(
-4
x
2
)
+
(
3
)
(
-9
x
)
+
(
3
)
(
4
)
=
-24
x
4
-
54
x
3
+
24
x
2
-
36
x
3
-
81
x
2
+
36
x
-
12
x
2
-
27
x
+
12
=
(
-24
x
4
)
+
(
-54
x
3
-
36
x
3
)
+
(
24
x
2
-
81
x
2
-
12
x
2
)
+
(
36
x
-
27
x
)
+
(
12
)
=
-24
x
4
-
90
x
3
-
69
x
2
+
9
x
+
12
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Copyright © Dayal D. Purohit, Ph.D.(Mathematics)