\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Rearrange the numerator in descending powers\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Since the leading term is negative in the numerator,\r\n" );
document.write( "factor out -1 first:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Now we factor the parentheses in the numerator \r\n" );
document.write( "as
and the denominator as\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Next we cancel the
's, and\r\n" );
document.write( "all that's left is\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Now you can bring the negative sign out\r\n" );
document.write( "front and erase the 1, and have:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "and then you can erase the parentheses,\r\n" );
document.write( "and have\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" );
document.write( "