document.write( "Question 1088614: 10x^4y^4+x^2y^2z-3z^2
\n" ); document.write( " criss cross factoring
\n" ); document.write( " \n" ); document.write( "
Algebra.Com's Answer #702895 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "\"10x%5E4y%5E4%2Bx%5E2y%5E2z-3z%5E2\"\r\n" );
document.write( "\r\n" );
document.write( "Let u = x2y2\r\n" );
document.write( "\r\n" );
document.write( "Then x2y2 = u2\r\n" );
document.write( "\r\n" );
document.write( "\"10u%5E2%2Buz-3z%5E2\"\r\n" );
document.write( "\r\n" );
document.write( "That factors as\r\n" );
document.write( "\r\n" );
document.write( "\"%285u%2B3z%29%282u-z%29\"\r\n" );
document.write( "\r\n" );
document.write( "Replace u by x2y2\r\n" );
document.write( "\r\n" );
document.write( "\"%285x%5E2y%5E2%2B3z%29%282x%5E2y%5E2-z%29\"\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );