Answer
2(x-2) ($x^{2}$+2x+4)
Work Step by Step
2$x^{3}$-16=2($x^{3}$-8)=2($x^{3}$-$2^{3}$)=2(x-2)($x^{2}$+2x+$2^{2}$)=2(x-2) ($x^{2}$+2x+4)
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