SOLUTION: Perform the indicated multiplication. Then simplify each radical expression. 6-sqrt20 ________ 2 Your help will be appreciated very much. Thank you.

Algebra ->  Radicals -> SOLUTION: Perform the indicated multiplication. Then simplify each radical expression. 6-sqrt20 ________ 2 Your help will be appreciated very much. Thank you.      Log On


   

Question 105169: Perform the indicated multiplication. Then simplify each radical expression.
6-sqrt20
________
2
Your help will be appreciated very much. Thank you.
Answer by MathLover1(20855) About Me  (Show Source):
You can put this solution on YOUR website!
%286-sqrt%2820%29%29%2F2
we can write this as a difference of two radicals
6%2F2+-+sqrt%2820%29%2F2
now, we can write number 20 as a product of 4 and 5
6%2F2+-+sqrt%284%2A5%29%2F2
3+-+2sqrt%285%29%2F2
and, finally, we will have
3+-+sqrt%285%29