document.write( "Question 68799: subtract
\n" ); document.write( "\"%282x%29%2F%28x%5E2+-+13x+%2B+42%29-%287%29%2F%28x+-+6%29\"
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #49957 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"%282x%29%2F%28x%5E2+-+13x+%2B+42%29-%287%29%2F%28x+-+6%29\"First rewrite denominator of left fraction
\n" ); document.write( "\"%282x%29%2F%28%28x-6%29%28x-7%29%29-%287%29%2F%28x+-+6%29\"Factor denominator
\n" ); document.write( "\"%282x%29%2F%28%28x-6%29%28x-7%29%29-%28%28x-7%29%2F%28x-7%29%29%28%287%29%2F%28x+-+6%29%29\" Multiply right fraction by \"%28x-7%29%2F%28x-7%29\" to give both fractions a common denominator
\n" ); document.write( "\"%282x%29%2F%28%28x-6%29%28x-7%29%29-%287x-49%29%2F%28%28x+-+6%29%28x-7%29%29\"Now you can subract
\n" ); document.write( "\"%282x-7x%2B49%29%2F%28%28x-6%29%28x-7%29%29\"Simplify
\n" ); document.write( "\"%28-5x%2B49%29%2F%28%28x-6%29%28x-7%29%29\"To verify, pick any value for x (say 1) and plug it into both expressions and they'll be equal.
\n" ); document.write( "
\n" );