Addition and Subtraction of Polynomials
(
-8
x
3
+
4
x
2
+
2
x
+
9
)
+
(
-9
x
3
+
7
x
2
+
9
x
+
4
)
+
(
-
x
3
-
6
x
)
=
-8
x
3
+
4
x
2
+
2
x
+
9
-
9
x
3
+
7
x
2
+
9
x
+
4
-
x
3
-
6
x
=
(
-8
x
3
-
9
x
3
-
x
3
)
+
(
4
x
2
+
7
x
2
)
+
(
2
x
+
9
x
-
6
x
)
+
(
9
+
4
)
=
-18
x
3
+
11
x
2
+
5
x
+
13
Algebra
Analytic Geometry
Differential Calculus
Integral Calculus
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Copyright © Dayal D. Purohit, Ph.D.(Mathematics)