If x = 222, y = 223, z = 225 then the value of (x³

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x³ + y³ + z³ – 3xyz

=	1	(x + y + z){(x-y)² + (y-z)² + (z-x)²}
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=	1	(222 + 223 + 225){(222-223)² + (223-225)² + (225-222)²}
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=	1	× 670(1 + 4 + 9)
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=	670 × 14	= 4690
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