what is the whole cube of (x+y+z)

[ X + Y + Z ]^{3}

= [ X + Y + Z ] x [ X + Y + Z ] x [ X + Y + Z ]

= X^{3} + Y^{3} + Z^{3} + 3XY + 3YZ + 3XZ

what is the whole cube of (x+y+z)

[ X + Y + Z ]^{3}

= [ X + Y + Z ] x [ X + Y + Z ] x [ X + Y + Z ]

= X^{3} + Y^{3} + Z^{3} + 3XY + 3YZ + 3XZ

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