How do you simplify $sqrt175 - sqrt27 +sqrt28?$

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Answer 1 · 2018-06-09T05:34:51

$7sqrt(7)-3sqrt(3)$

We have
$sqrt(7*25)-sqrt(3*9)+sqrt(4*7)=5sqrt(7)-3sqrt(3)+2sqrt(7)$
using that
$sqrt(ab)=sqrt(a)*sqrt(b)$ for $a,b>=0$

How do you simplify sqrt175 - sqrt27 +sqrt28?sqrt175 - sqrt27 +sqrt28?