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Mathematics
Mathematics
Problem
Expand and simplify
(
3
m
+
2
n
)
3
−
(
3
m
−
2
n
)
3
(3m + 2n)^3 - (3m - 2n)^3
(
3
m
+
2
n
)
3
−
(
3
m
−
2
n
)
3
.
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