document.write( "Question 434680: When solving a rational equation, why is it necessary to perform a check? \n" ); document.write( "
Algebra.Com's Answer #301052 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Because sometimes when you have \"multiple\" possible solutions, one or more may not work or do not make sense -- these are called \"extraneous\" solutions -- they must be thrown out. \n" ); document.write( " \n" ); document.write( " |