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The expression $5{ x }^{ \frac { 3 }{ 2 } }\sqrt { 8x }$ is equivalent to which of the following expressions?

(No calculator)

$40{ x }^{ 2 }$

$2x\sqrt { 10 }$

$10{ x }^{ 2 }\sqrt { 2 }$

$10{ x }^{ 2 }\sqrt { 10 }$