How do you simplify $sqrt3(sqrt7+3sqrt2)$ ?

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Answer 1 · 2018-06-08T14:09:44

$sqrt(21)+3sqrt(6)$

Expanding
$sqrt(3)sqrt(7)+3sqrt(2)*sqrt(3)=sqrt(21)+3sqrt(6)$
Using
$sqrt(a)*sqrt(b)=sqrt(ab)$ for $a,b>=0$

How do you simplify sqrt3(sqrt7+3sqrt2)sqrt3(sqrt7+3sqrt2)?