document.write( "Question 650820: Please help me solve this problem\n" ); document.write( " \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "\n" ); document.write( "Factor by Grouping\n" ); document.write( "\n" ); document.write( " (4x^2 - 25)(2x^2 + 1) = 0\n" ); document.write( " x = ± 5/2 Or x = ± = ±