document.write( "Question 820931: factor 4x^2-289 \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "4x^2-289 = (2x-17)(2x+17) Note: \n" ); document.write( "Use FOIL to check factoring\n" ); document.write( "F First terms\n" ); document.write( "O Outside terms\n" ); document.write( "I Inside terms\n" ); document.write( "L Last terms\n" ); document.write( "