document.write( "Question 186607: (x^4-1)/(x^4-81)*(x^2+9)/(x^2+1) \n" ); document.write( "
Algebra.Com's Answer #139869 by Earlsdon(6294) ![]() You can put this solution on YOUR website! Simplify: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |