Multiplication of Polynomials
(
8
x
2
-
5
x
+
7
)
(
4
x
2
-
4
x
+
2
)
=
(
8
x
2
)
(
4
x
2
-
4
x
+
2
)
+
(
-5
x
)
(
4
x
2
-
4
x
+
2
)
+
(
7
)
(
4
x
2
-
4
x
+
2
)
=
(
8
x
2
)
(
4
x
2
)
+
(
8
x
2
)
(
-4
x
)
+
(
8
x
2
)
(
2
)
+
(
-5
x
)
(
4
x
2
)
+
(
-5
x
)
(
-4
x
)
+
(
-5
x
)
(
2
)
+
(
7
)
(
4
x
2
)
+
(
7
)
(
-4
x
)
+
(
7
)
(
2
)
=
32
x
4
-
32
x
3
+
16
x
2
-
20
x
3
+
20
x
2
-
10
x
+
28
x
2
-
28
x
+
14
=
(
32
x
4
)
+
(
-32
x
3
-
20
x
3
)
+
(
16
x
2
+
20
x
2
+
28
x
2
)
+
(
-10
x
-
28
x
)
+
(
14
)
=
32
x
4
-
52
x
3
+
64
x
2
-
38
x
+
14
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Copyright © Dayal D. Purohit, Ph.D.(Mathematics)