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Byju's Answer
Standard VIII
Mathematics
Factorisation Using Algebraic Identities
The value of ...
Question
The value of
x
+
x
(
x
2
)
when
x
=
2
is:
A
10
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B
16
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C
18
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D
36
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Solution
The correct option is
A
10
Given that
x
=
2
Now put the value of
x
in the expression
x
+
x
(
x
2
)
, we get
x
+
x
(
x
2
)
=
2
+
2
(
2
2
)
=
2
+
2
(
4
)
=
2
+
8
=
10
Hence, the answer is
10
.
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0
Similar questions
Q.
Find the value of x when 36 : x : : x : 16.
Q.
Simplify :
x
(
x
2
+
x
+
2
)
+
5
find its value when
x
=
0
,
x
=
−
1
Q.
Solve:
4
x
+
17
18
−
13
x
−
2
32
+
x
3
=
7
x
12
−
x
+
16
36
Q.
If
2
x
(
x
2
+
x
)
=
1
2
, then the value of
x
+
1
is
Q.
The value of
x
2
+
9
x
+
14
when
x
=
−
2
can be found as :
(
−
2
)
2
+
9
(
−
2
)
+
14
=4+18+14
= 36
The first error step is
.
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