Answer
2$x^{2}$(x+2y)($x^{2}$-2xy+$4y^{2}$)
Work Step by Step
2$x^{5}$+16$x^{2}$$y^{3}$=2$x^{2}$($x^{3}$+8$y^{3}$)=
2$x^{2}$[$x^{3}$+$(2y)^{3}$]=2$x^{2}$(x+2y)($x^{2}$-2xy+$(2y)^{2}$)=
2$x^{2}$(x+2y)($x^{2}$-2xy+$4y^{2}$)=
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