document.write( "Question 853079: 1/a-b + 1/b-a \r
\n" ); document.write( "\n" ); document.write( "I'm confused, why is the answer 0? Could you answer the question in a specific step by step process please, I'd really appreciate it.
\n" ); document.write( "

Algebra.Com's Answer #513872 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
\"1%2F%28a-b%29+%2B+1%2F%28b-a%29\"
\n" ); document.write( "Sorry, I sent this inadvertantly
\n" ); document.write( "\"1%2F%28%28a-b%29%29+%2B+1%2F%28%28b-a%29%29\"
\n" ); document.write( "Change the sign of the 2nd fraction, factor out -1 in the denominator, resulting
\n" ); document.write( "\"1%2F%28%28a-b%29%29+%2B+1%2F%28-1%28a-b%29%29\"
\n" ); document.write( "now a is positive and b is negative, -1 changes the sign so we have
\n" ); document.write( "\"1%2F%28%28a-b%29%29+-+1%2F%28%28a-b%29%29\" = 0
\n" ); document.write( "
\n" );