document.write( "Question 78035: $\"%282-x%2Fy%29%2F%281%2Fy%2By%29\"$ \n" ); document.write( "

Algebra.Com's Answer #55925 by Edwin McCravy(20056) $\"\"$ $\"About$

You can put this solution on YOUR website!

\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Write the  over } and the  over \r\n" );
document.write( "so the whole \"building\" will be 4 \"stories\"\r\n" );
document.write( "high.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Put parentheses around the numerator and the\r\n" );
document.write( "denominator:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Look at all four denominators, ,,,and \r\n" );
document.write( "Their LCD is . So multiply by \r\n" );
document.write( "which just equals . But make it four \"stories\" \r\n" );
document.write( "high also by putting each of the 's over\r\n" );
document.write( " like this\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Now since this just equals to , we can multiply\r\n" );
document.write( "it by our example without changing its value.\r\n" );
document.write( "\r\n" );
document.write( " \r\n" );
document.write( "\r\n" );
document.write( "Now remove the parentheses by distributing:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The first term on top just becomes  which is\r\n" );
document.write( "just \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The 's cancel in the second term on top, leaving\r\n" );
document.write( "just  which is just \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The 's cancel in the first term on the bottom,\r\n" );
document.write( "leaving  which is just \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Finally the second term on the bottom becomes \r\n" );
document.write( "which is just  and so we end up with just\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Edwin

\n" ); document.write( "

\n" );