document.write( "Question 378882: Factor \n" ); document.write( "4u^2-49u^2 \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "Factor \n" ); document.write( "4u^2-49u^2\n" ); document.write( "u^2(4-49)\n" ); document.write( "-45u^2