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Factorization on cubes in 3 variables
What is x^3+y^3+z^3 equal to if x+y+z = 0
Prove that x^3+y^3+z^3 – 3xyz = (x+y+z)(x^2+y^2+z^2-xy-yz-zx)
What is x^3+y^3+z^3 equal to if x+y+z = 0
Prove that x^3+y^3+z^3 – 3xyz = (x+y+z)(x^2+y^2+z^2-xy-yz-zx)
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