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Mathematics
Problem
Determine the value of
x
x
x
if
5
x
−
1
×
25
2
125
x
=
5
−
3
\dfrac{5^{x-1} \times 25^2}{125^{x}} = 5^{-3}
12
5
x
5
x
−
1
×
2
5
2
=
5
−
3
.
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