document.write( "Question 307418: how do i simplify the expression: 2square root of 42 times square root of 9 \n" ); document.write( "
Algebra.Com's Answer #219956 by rapaljer(4671)\"\" \"About 
You can put this solution on YOUR website!
\"2%2Asqrt%2842%29%2Asqrt%289%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The square root of 42 does NOT simplify, since no perfect squares divide evenly into it. \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The only simplification that can be done is
\n" ); document.write( "\"2%2Asqrt%2842%29%2A3\"
\n" ); document.write( "\"6%2Asqrt%2842%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "That's it!!\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Dr. Robert J. Rapalje\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "P.S. I have a GREAT website with a LOT of different help with square roots. Go to \"www2.seminolestate.edu/rrapalje\". To see my FREE video, look for the link that says \"Rapalje Videos in Living Color\" and choose \"Basic Algebra\". Select the topic \"Radicals\". \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "For written explanation, look at the link on my Homepage called \"Basic, Intermediate and College Algebra: One Step at a Time.\" Choose \"Basic Algebra\", and look at Chapter 5 on Radicals. There are a LOT of problems solved in LIVING COLOR.
\n" ); document.write( "
\n" );