Identity (a+b+c)^3 please
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a^3+b^3+c^3 + 3(a+b)(b+c)(a+c)
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(a+b+c)(a+b+c)^2
(a+b+c)(a^2+b^2+c^2+2ab+2bc+2ca)
(a+b+c)(a^2+b^2+c^2+2ab+2bc+2ca)
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