SOLUTION: Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. {{{(-9 -sqrt108)/3}}} I am a bit confussed about solving the

Algebra ->  Square-cubic-other-roots -> SOLUTION: Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression. {{{(-9 -sqrt108)/3}}} I am a bit confussed about solving the      Log On


   



Question 73472: Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression.
%28-9+-sqrt108%29%2F3
I am a bit confussed about solving these types of problems and need some assistance please. Thanks.

Found 2 solutions by checkley75, Cintchr:
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
(-9-SQRTR108)/3 (SQRT OF 108=6SQRT3)
(-9-6SQRT3)/3 DIVIDE BOTH TERMS IN THE NUMERATOR BY 3 THUS:
-3-2SQRT3

Answer by Cintchr(481) About Me  (Show Source):
You can put this solution on YOUR website!
%28-9+-sqrt%28108%29%29%2F3
Work out the sqrt 108 first
+sqrt%28108%29+=+sqrt%282%2A2%2A3%2A3%2A3%29+=+6sqrt%283%29+
%28-9+-6sqrt%283%29%29%2F3
Divide all parts by three
+-3+-2sqrt%283%29+