document.write( "Question 645579: how to Factor a Polynomial Completely\n" ); document.write( "b^4-9b^2 \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "Factor Polynomial Completely\n" ); document.write( "\n" ); document.write( "checking (b+3)(b-3) using FOIL\n" ); document.write( "F First terms b^2\n" ); document.write( "O Outside terms -3b\n" ); document.write( "I Inside terms 3b\n" ); document.write( "L Last terms -9\r\n" ); document.write( "\n" ); document.write( "