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Byju's Answer
Standard VIII
Mathematics
Expansion of (x+y)^2
If 3x-3=52x+1...
Question
If 3(x-3)=5(2x+1) then
x
10
x
5
=
?
A
−
1024
32
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B
−
1025
32
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C
−
1026
32
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D
−
1027
32
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Solution
The correct option is
A
−
1024
32
Given:-
3
(
x
−
3
)
=
5
(
2
x
+
1
)
To find:-
x
10
×
1
x
5
=
?
3
(
x
−
3
)
=
5
(
2
x
+
1
)
3
x
−
9
=
10
x
+
5
⇒
10
x
−
3
x
=
−
9
−
5
⇒
7
x
=
−
14
⇒
x
=
−
2
Now,
x
10
x
5
=
(
−
2
)
10
(
−
2
)
5
=
−
1024
32
Hence
(
A
)
is the correct answer.
Suggest Corrections
0
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