Question

Simplify square root of 5 open parentheses 10 minus 4 square root of 2 close parentheses

Answer 1

I do believe that question was answered here:
https://socratic.org/questions/how-do-you-simplify-square-root-of-5-open-parentheses-10-minus-4-square-root-of-

I'd explain here, but I'm really bad at square root stuff.
(Link is probably not clickable, but copy/paste should do the trick)