document.write( "Question 305276: Why is it good to do a check when solving a rational expression? \n" ); document.write( "
Algebra.Com's Answer #218602 by Theo(13342)\"\" \"About 
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It's good to do a check when solving any expression or equation.\r
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\n" ); document.write( "\n" ); document.write( "the check is used to confirm that you did the calculations correctly.\r
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