HomeTagsWithout expanding either side, show that $$(a - b)^3 + (b - c)^3 + (c - a)^3 = 3(a-b)(b-c)(c-a).$$

Tag: without expanding either side, show that $$(a - b)^3 + (b - c)^3 + (c - a)^3 = 3(a-b)(b-c)(c-a).$$

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