document.write( "Question 564012: dont know how to do this\r
\n" ); document.write( "\n" ); document.write( "(x+5y)^2
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #365170 by jerryguo41(197)\"\" \"About 
You can put this solution on YOUR website!
\"%28x%2B5y%29%5E2\"
\n" ); document.write( "is basically
\n" ); document.write( "\"%28x%2B5y%29%28x%2B5y%29\"\r
\n" ); document.write( "\n" ); document.write( "By using FOIL
\n" ); document.write( "First-
\n" ); document.write( "\"x%2Ax\"=>\"x%5E2\"
\n" ); document.write( "Outer-
\n" ); document.write( "\"x%2A5y\"=>\"5xy\"
\n" ); document.write( "Inner-
\n" ); document.write( "\"5y%2Ax\"=>\"5xy\"
\n" ); document.write( "Last-
\n" ); document.write( "\"5y%2A5y\"=>\"25y%5E2\"\r
\n" ); document.write( "\n" ); document.write( "Thus add all of the separate components together to get
\n" ); document.write( "\"x%5E2%2B5xy%2B5xy%2B25y%5E2\"
\n" ); document.write( "Simplify
\n" ); document.write( "\"x%5E2%2B10xy%2B25y%5E2\"
\n" ); document.write( "
\n" );