If x+y+z=0,show that x^3

1.	If x+y+z=0,show that x^3
Answer» $x + y + z = 0 \\ \\ x = - y - z \\ \\ x^3 = (- y - z)^3 = - y^3 - 3y^2z - 3yz^2 - z^3$

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