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Standard VIII
Mathematics
Addition and Subtraction of Algebraic Expression
Question
Solve:-
(
5
x
2
+
2
y
)
+
(
7
x
2
−
y
)
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Solution
Verified by Toppr
We have,
(
5
x
2
+
2
y
)
+
(
7
x
2
−
y
)
=
5
x
2
+
2
y
+
7
x
2
−
y
=
12
x
2
+
y
Hence, this is the answer.
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Similar Questions
Q1
Solve:-
(
5
x
2
+
2
y
)
+
(
7
x
2
−
y
)
View Solution
Q2
Three curves i.e.
a
)
y
=
3
x
2
,
b
)
y
=
5
x
2
&
c
)
y
=
7
x
2
are depicted in the following graph. Identify correct relation.
View Solution
Q3
Difference between
2
x
(
5
x
−
y
)
and
3
x
(
x
+
2
y
)
is
−
7
x
2
+
8
x
y
View Solution
Q4
Subtract
4
x
3
−
5
x
2
+
6
from
3
x
3
−
7
x
2
−
5
View Solution
Q5
Simplify:
12x − [3x
3
+ 5x
2
− {7x
2
− (4 − 3x − x
3
) + 6x
3
} − 3x]
View Solution