SOLUTION: can i get assistance with this please i tried to solve i hope i am right? sqrt{{{7}}}(8sqrt{{{6}}}-3sqrt{{{7}}}) (sqrt{{{7}}}*8sqrt{{{6}}})-3*7sqrt{{{7}}} 8sqrt{{{42}}}-3*7sqr

Algebra ->  Radicals -> SOLUTION: can i get assistance with this please i tried to solve i hope i am right? sqrt{{{7}}}(8sqrt{{{6}}}-3sqrt{{{7}}}) (sqrt{{{7}}}*8sqrt{{{6}}})-3*7sqrt{{{7}}} 8sqrt{{{42}}}-3*7sqr      Log On


   

Question 81545: can i get assistance with this please i tried to solve i hope i am right?
sqrt7(8sqrt6-3sqrt7)
(sqrt7*8sqrt6)-3*7sqrt7
8sqrt42-3*7sqrt7
8sqrt42-(7*7)
8sqrt42-21
or will it be 8sqrt42-7 i have to answers each time i work it, it is different but it is either or.
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
%28%28sqrt%287%29%29%288sqrt%286%29-3sqrt%287%29%29%29
%28%288sqrt%286%2A7%29-3sqrt%287%2A7%29%29%29 [use the distributive method to multiply}
%28%288sqrt%2842%29-3sqrt%2849%29%29%29
%28%288sqrt%2842%29-3%2A7%29%29%29 [simplify any perfect square roots. %28sqrt%2849%29%29=7]
%28%288sqrt%2842%29-21%29%29%29
%28%28-21+%2B8sqrt%2842%29%29%29%29[re-arrange the terms]