Multiplication of Polynomials
(
-4
x
2
-
10
x
+
9
)
(
-8
x
2
-
3
x
+
1
)
=
(
-4
x
2
)
(
-8
x
2
-
3
x
+
1
)
+
(
-10
x
)
(
-8
x
2
-
3
x
+
1
)
+
(
9
)
(
-8
x
2
-
3
x
+
1
)
=
(
-4
x
2
)
(
-8
x
2
)
+
(
-4
x
2
)
(
-3
x
)
+
(
-4
x
2
)
(
1
)
+
(
-10
x
)
(
-8
x
2
)
+
(
-10
x
)
(
-3
x
)
+
(
-10
x
)
(
1
)
+
(
9
)
(
-8
x
2
)
+
(
9
)
(
-3
x
)
+
(
9
)
(
1
)
=
32
x
4
+
12
x
3
-
4
x
2
+
80
x
3
+
30
x
2
-
10
x
-
72
x
2
-
27
x
+
9
=
(
32
x
4
)
+
(
12
x
3
+
80
x
3
)
+
(
-4
x
2
+
30
x
2
-
72
x
2
)
+
(
-10
x
-
27
x
)
+
(
9
)
=
32
x
4
+
92
x
3
-
46
x
2
-
37
x
+
9
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Copyright © Dayal D. Purohit, Ph.D.(Mathematics)