document.write( "Question 257216: This is a question about rationalizing a binomial denominator. I am not sure how to get the -r out of the final equation without turning the 9 into a negative number also by simply multiplying both numerator and denominator by
\n" ); document.write( "-1. Anyway, here is the problem I am trying to solve.\r
\n" ); document.write( "\n" ); document.write( " $\"+sqrt+%28r%29+\"$ over 3 - $\"+sqrt+%28r%29+\"$ \r
\n" ); document.write( "\n" ); document.write( "The answer I come up with is 3 $\"+sqrt+%28r%29+\"$ +r over 9-r. \n" ); document.write( "

Algebra.Com's Answer #189134 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

You can put this solution on YOUR website!
This is a question about rationalizing a binomial denominator. I am not sure how to get the -r out of the final equation without turning the 9 into a negative number also by simply multiplying both numerator and denominator by
\n" ); document.write( "-1. Anyway, here is the problem I am trying to solve.\r
\n" ); document.write( "\n" ); document.write( " $\"+sqrt+%28r%29+\"$ over 3 - $\"+sqrt+%28r%29+\"$ \r
\n" ); document.write( "\n" ); document.write( "The answer I come up with is 3 $\"+sqrt+%28r%29+\"$ +r over 9-r.
\n" ); document.write( ":
\n" ); document.write( "But that's right, you got rid of the radical in the denominator, that's all you can do \n" ); document.write( "

\n" );