plz solve this correctly
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Step-by-step explanation:
x³+y³+z³-3xyz= (x+y+z)(x²+y²+z²-xy- yz - zx)
7x+y-2z-3xyz=0(x²+y²+z²-xy-yz-zx)
x³+y³+z³-3xyz=0
x³+y³+z³=3xyz
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