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Byju's Answer
Standard VII
Mathematics
Subtraction of Algebraic Expressions
Subtract x2-2...
Question
Subtract x
2
− 2xy + 5y
2
− 4 from 4xy − 5x
2
− y
2
+ 6.
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Solution
We have:
(
4
x
y
−
5
x
2
−
y
2
+
6
)
−
(
x
2
−
2
x
y
+
5
y
2
−
4
)
=
4
x
y
−
5
x
2
−
y
2
+
6
−
x
2
+
2
x
y
−
5
y
2
+
4
=
−
6
x
2
−
6
y
2
+
6
x
y
+
10
=
−
2
(
3
x
2
+
3
y
2
−
3
x
y
−
5
)
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0
Similar questions
Q.
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Q.
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and
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Q.
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Q.
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Q.
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