SOLUTION: I have to combine if possible no calculator or table of roots to be used...Can you help me please? Thanks...:) Page 530 Number 20 6square5y - square root 20y

Algebra ->  Square-cubic-other-roots -> SOLUTION: I have to combine if possible no calculator or table of roots to be used...Can you help me please? Thanks...:) Page 530 Number 20 6square5y - square root 20y      Log On


   

Question 145359This question is from textbook Beginning Algebra
: I have to combine if possible no calculator or table of roots to be used...Can you help me please? Thanks...:)
Page 530
Number 20
6square5y - square root 20y This question is from textbook Beginning Algebra

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
I think you meant
6sqrt%285y%29-sqrt%2820y%29
If so, that's 6sqrt%285y%29-sqrt%284%2A5y%29
=6sqrt%285y%29-sqrt%284%29%2Asqrt%285y%29
=6sqrt%285y%29-2sqrt%285y%29
=4sqrt%285y%29