How do you simplify $3sqrt80$ ?

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Answer 1 · 2017-05-18T11:50:05

$color(blue)(12sqrt5$

$3sqrt80$

$:.3sqrt(5*2*2*2*2)$

$:.=sqrt2 xx sqrt2=2$

$:.=3 xx 2 xx 2 xx sqrt5$

$:.color(blue)(=12sqrt5$

How do you simplify 3sqrt803sqrt80?