Addition and Subtraction of Polynomials
(
3
x
3
-
x
2
+
x
+
9
)
+
(
-2
x
3
-
10
x
2
-
4
x
-
9
)
-
(
-6
x
3
+
8
x
2
+
9
x
-
2
)
=
3
x
3
-
x
2
+
x
+
9
-
2
x
3
-
10
x
2
-
4
x
-
9
+
6
x
3
-
8
x
2
-
9
x
+
2
=
(
3
x
3
-
2
x
3
+
6
x
3
)
+
(
-
x
2
-
10
x
2
-
8
x
2
)
+
(
x
-
4
x
-
9
x
)
+
(
9
-
9
+
2
)
=
7
x
3
-
19
x
2
-
12
x
+
2
Algebra
Analytic Geometry
Differential Calculus
Integral Calculus
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Copyright © Dayal D. Purohit, Ph.D.(Mathematics)