document.write( "Question 167372This question is from textbook Introductory Algebra
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Algebra.Com's Answer #123278 by oscargut(2103)\"\" \"About 
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\"y%5E2+%28y%2B1%29+-+4y+%28y%2B1%29+-+21+%28y%2B1%29=%28y%2B1%29%28y%5E2-4y-21%29\"
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