id 604- If x+y+z = 7, xy+yz+zx = 8, then what is the value of x^3 + y^3 + z^3 – 3xyz?

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If x+y+z = 7, xy+yz+zx = 8, then what is the value of x^3 + y^3 + z^3 – 3xyz?
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