document.write( "Question 174086: how do you solve a-1/a+1 + a+1/a-1 \n" ); document.write( "
Algebra.Com's Answer #128980 by vleith(2983)\"\" \"About 
You can put this solution on YOUR website!
\"+%28a-1%29%2F%28a%2B1%29+%2B+%28a%2B1%29%2F%28a-1%29\" you need to get everything over a common denominator first. That would be (a+1)(a-1)
\n" ); document.write( "
\n" ); document.write( " \r
\n" ); document.write( "\n" ); document.write( "Now that you have a common denominator, you add fractions just like you did with arithmetic.\r
\n" ); document.write( "\n" ); document.write( "\"+%28%28a-1%29%5E2+%2B%28a%2B1%29%5E2%29%2F%28%28a-1%29%28a%2B1%29%29\"
\n" ); document.write( "\"%28a%5E2+-2a+%2B+1+%2B+a%5E2+%2B+2a+%2B+1%29%2F%28a%5E2+-+1%29\"
\n" ); document.write( "\"%282a%5E2+%2B+2%29%2F%28a%5E2+-1%29\"
\n" ); document.write( "
\n" );