document.write( "Question 389847: 2(2y-x)^2 \n" ); document.write( "
\n" ); document.write( "Hi, \r\n" ); document.write( "\n" ); document.write( "2(2y-x)^2\n" ); document.write( "2(2y-x)(2y-x)\n" ); document.write( "2[4y^2 - 4xy + x^2]\n" ); document.write( "8y^2 - 8xy + 2x^2