How do you simplify $sqrt(128)$ ?

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Answer 1 · 2016-05-04T14:45:18

$sqrt(128)=color(blue)(8sqrt(2))$

$128 = 64xx2=8^2xx2$

$rarr sqrt(128) = sqrt(8^2xx2)=8sqrt(2)$

How do you simplify sqrt(128)sqrt(128)?