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1940 Moscow Mathematical Olympiad
054
MMO 054 Moscow MO 1940 factor (b - c)^3 + (c - a)^3 + (a - b)^3.
MMO 054 Moscow MO 1940 factor (b - c)^3 + (c - a)^3 + (a - b)^3.
Source:
July 18, 2019
algebra
Factoring
factor
Problem Statement
Factor
(
b
−
c
)
3
+
(
c
−
a
)
3
+
(
a
−
b
)
3
(b - c)^3 + (c - a)^3 + (a - b)^3
(
b
−
c
)
3
+
(
c
−
a
)
3
+
(
a
−
b
)
3
.
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