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Mathematics
Mathematics
Problem
Simplify. Please show your thinking.
x
7
y
−
3
⋅
x
−
8
y
−
2
z
0
(
x
−
4
y
8
z
7
)
−
3
\frac{x^7y^{-3} \cdot x^{-8}y^{-2}z^0}{(x^{-4}y^8z^7)^{-3}}
(
x
−
4
y
8
z
7
)
−
3
x
7
y
−
3
⋅
x
−
8
y
−
2
z
0
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