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Standard VII
Mathematics
Question
Evaluate:
5
x
2
−
7
x
given x=2
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Solution
Verified by Toppr
5
x
2
−
7
x
a
t
x
=
2
5
(
2
)
2
−
7
(
2
)
=
5
(
4
)
−
14
=
20
−
14
=
6
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