Addition and Subtraction of Polynomials
(
6
x
3
-
7
x
2
-
8
x
-
6
)
-
(
7
x
3
+
x
2
-
4
)
+
(
-
x
3
-
7
x
2
-
8
x
+
7
)
=
6
x
3
-
7
x
2
-
8
x
-
6
-
7
x
3
-
x
2
+
4
-
x
3
-
7
x
2
-
8
x
+
7
=
(
6
x
3
-
7
x
3
-
x
3
)
+
(
-7
x
2
-
x
2
-
7
x
2
)
+
(
-8
x
-
8
x
)
+
(
-6
+
4
+
7
)
=
-2
x
3
-
15
x
2
-
16
x
+
5
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Analytic Geometry
Differential Calculus
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Copyright © Dayal D. Purohit, Ph.D.(Mathematics)