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Byju's Answer
Standard VII
Mathematics
Addition of Algebraic Expressions
Find the numb...
Question
Find the number of terms in the expression obtained after adding the expressions
4
x
2
−
2
y
z
+
3
x
3
and
2
z
y
+
x
2
+
y
3
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Solution
(
4
x
2
−
2
y
z
+
3
x
3
)
+
(
2
z
y
+
x
2
+
y
3
)
=
9
x
2
−
2
y
z
+
3
x
3
+
2
z
y
+
x
2
+
y
3
Grouping the like terms together,
we get
=
(
9
x
2
+
x
2
)
+
(
−
2
+
2
)
y
z
+
3
x
3
+
y
3
=
x
2
(
9
+
1
)
+
0
y
z
+
3
x
3
+
y
3
=
10
x
2
+
3
x
3
+
y
3
Number of terms = 3
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