8x3+64y3+216z3-144xyz
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Step-by-step explanation:
x3+y3+z3-3xyz =(x+y+z)(x2+y2+z3-xy-yz-zx)
(2x+4y+6z)(4x2+16y2+36z2-(8xy+24yz+12zx))
here is ur answer..
hope it helps..
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