Question

(x+y+z) (x^2 + y^2 + z^2 - xy +yz + zx)
pls answer it
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Answer 1

$x {}^{3} + y {}^{3} + z {}^{3} = 0$
apply question formula

Answer 2

Answer:

x³+xy²+xz²-x²y+xyz+zx²+yx²+y³+yz²-xy²+y²z +zxy+zx²+zy²+z³-xyz+yz²+z²y