document.write( "Question 81667: multiply the fractions:
\n" ); document.write( "\"%282x%5E2-x-3%29%2F%283x%5E2%2B7x%2B4%29\".\"%283x%5E2-11x-20%29%2F%284x%5E2-9%29\" \n" ); document.write( "
Algebra.Com's Answer #58498 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "multiply the fractions: \r\n" );
document.write( "\"%282x%5E2-x-3%29%2F%283x%5E2%2B7x%2B4%29\".\"%283x%5E2-11x-20%29%2F%284x%5E2-9%29\"\r\n" );
document.write( "\r\n" );
document.write( "Factor all the numerators and denominators:\r\n" );
document.write( "\r\n" );
document.write( "\"%28+%28x%2B1%29%282x-3%29+%29%2F%28%28x%2B1%29%283x%2B4%29%29\".\"%28%28x-5%29%283x%2B4%29%29%2F%28%282x-3%29%282x%2B3%29+++++++++++%29\"\r\n" );
document.write( "\r\n" );
document.write( "Indicate multiplication of numerators and denominators and write\r\n" );
document.write( "them altogether as one fraction:\r\n" );
document.write( "\r\n" );
document.write( " \r\n" );
document.write( "\r\n" );
document.write( "The \"%28x%2B1%29\" in the top and bottom cancel.\r\n" );
document.write( "The \"%282x-3%29\" in the top and bottom cancel.\r\n" );
document.write( "The \"%283x%2B4%29\" in the top and bottom cancel.\r\n" );
document.write( "All that's left is\r\n" );
document.write( "\r\n" );
document.write( "\"%28%28x-5%29%29%2F%28%282x%2B3%29%29\"\r\n" );
document.write( "\r\n" );
document.write( "and you can erase the parentheses and just have\r\n" );
document.write( "\r\n" );
document.write( "\"%28x-5%29%2F%282x%2B3%29\"\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );