Addition and Subtraction of Polynomials
(
-4
x
3
+
9
x
2
+
9
x
+
2
)
-
(
x
3
-
x
2
+
9
x
-
4
)
-
(
6
x
3
-
2
x
2
+
6
x
+
7
)
=
-4
x
3
+
9
x
2
+
9
x
+
2
-
x
3
+
x
2
-
9
x
+
4
-
6
x
3
+
2
x
2
-
6
x
-
7
=
(
-4
x
3
-
x
3
-
6
x
3
)
+
(
9
x
2
+
x
2
+
2
x
2
)
+
(
9
x
-
9
x
-
6
x
)
+
(
2
+
4
-
7
)
=
-11
x
3
+
12
x
2
-
6
x
-
1
Algebra
Analytic Geometry
Differential Calculus
Integral Calculus
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Copyright © Dayal D. Purohit, Ph.D.(Mathematics)