Multiplication of Polynomials
(
-8
x
2
+
9
x
-
2
)
(
4
x
2
-
10
x
+
2
)
=
(
-8
x
2
)
(
4
x
2
-
10
x
+
2
)
+
(
9
x
)
(
4
x
2
-
10
x
+
2
)
+
(
-2
)
(
4
x
2
-
10
x
+
2
)
=
(
-8
x
2
)
(
4
x
2
)
+
(
-8
x
2
)
(
-10
x
)
+
(
-8
x
2
)
(
2
)
+
(
9
x
)
(
4
x
2
)
+
(
9
x
)
(
-10
x
)
+
(
9
x
)
(
2
)
+
(
-2
)
(
4
x
2
)
+
(
-2
)
(
-10
x
)
+
(
-2
)
(
2
)
=
-32
x
4
+
80
x
3
-
16
x
2
+
36
x
3
-
90
x
2
+
18
x
-
8
x
2
+
20
x
-
4
=
(
-32
x
4
)
+
(
80
x
3
+
36
x
3
)
+
(
-16
x
2
-
90
x
2
-
8
x
2
)
+
(
18
x
+
20
x
)
+
(
-4
)
=
-32
x
4
+
116
x
3
-
114
x
2
+
38
x
-
4
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Copyright © Dayal D. Purohit, Ph.D.(Mathematics)