document.write( "Question 39148:
I need help with this.\r\n" ); document.write( "Simplify the expression\r\n" ); document.write( "\r\n" ); document.write( "Simplify the expression. \r\n" ); document.write( " __ __ _\r\n" ); document.write( "Ö63 - 2Ö28 + 5Ö7
\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #24579 by AnlytcPhil(1806) $\"\"$ $\"About$

You can put this solution on YOUR website!

I need help with this.\r\n" );
document.write( "Simplify the expression. \r\n" );
document.write( " __     __     _\r\n" );
document.write( "Ö63 - 2Ö28 + 5Ö7\r\n" );
document.write( "\r\n" );
document.write( "The largest perfect square that will divide evenly\r\n" );
document.write( "into 63 is 9, so we write 63 as 9·7\r\n" );
document.write( "\r\n" );
document.write( "The largest perfect square that will divide evenly \r\n" );
document.write( "into 28 is 4, so we write 28 as 4·7\r\n" );
document.write( " ___     ___     _\r\n" );
document.write( "Ö9·7 - 2Ö4·7 + 5Ö7\r\n" );
document.write( "\r\n" );
document.write( "Take individual square roots of factors under \r\n" );
document.write( "the radical:\r\n" );
document.write( " _  _     _  _     _ \r\n" );
document.write( "Ö9·Ö7 - 2Ö4·Ö7 + 5Ö7\r\n" );
document.write( "   _       _     _\r\n" );
document.write( " 3Ö7 - 2·2Ö7 + 5Ö7\r\n" );
document.write( "    _     _     _ \r\n" );
document.write( "  3Ö7 - 4Ö7 + 5Ö7\r\n" );
document.write( "       _     \r\n" );
document.write( "     4Ö7 \r\n" );
document.write( "\r\n" );
document.write( "Edwin\r\n" );
document.write( "AnlytcPhil@aol.com

\n" ); document.write( "

\n" );