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Byju's Answer
Standard VIII
Mathematics
Addition and Subtraction of Algebraic Expressions
must be subtr...
Question
must be subtracted from
4
x
3
−
3
x
+
5
to get
2
x
2
−
3
x
3
+
5
x
−
2
.
A
x
3
−
2
x
2
−
8
x
+
7
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B
7
x
3
+
2
x
2
−
8
x
+
7
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C
7
x
3
−
2
x
2
−
8
x
+
3
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D
7
x
3
−
2
x
2
−
8
x
+
7
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Solution
The correct option is
D
7
x
3
−
2
x
2
−
8
x
+
7
To get the required algebraic expression we will subtract
2
x
2
−
3
x
3
+
5
x
−
2
from
4
x
3
−
3
x
+
5
.
4
x
3
−
3
x
+
5
−
3
x
3
+
5
x
−
2
+
2
x
2
+
−
+
−
________________________
7
x
3
−
8
x
+
7
−
2
x
2
So, the required algebraic expression is
7
x
3
−
2
x
2
−
8
x
+
7
.
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Similar questions
Q.
What must be subtracted from
4
x
3
−
3
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+
5
to get
2
x
2
−
3
x
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2
?
Q.
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Find the quotient when the polynomial
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