How do you simplify sqrt2(sqrt6+sqrt10)?

1 Answer
Jan 24, 2017

Radicals can be multiplied together as long as they are all under the same "root" , like square roots, cube roots, or other roots.

Explanation:

I would expand by Distributing:
sqrt(2)*sqrt(6) + sqrt(2)*sqrt(10)
= sqrt(2)sqrt(2)sqrt(3) + sqrt(2)sqrt(2)sqrt(5)
and look for "pairs" of matching roots.
=sqrt(2^2)sqrt(3)+sqrt(2^2)sqrt(5) (you could even skip this step)
= 2sqrt(3) + 2sqrt(5).

Pairs of roots that are the same factor simplify easily:
sqrt(93)sqrt(93) = 93 every time!!