document.write( "Question 191458: Find the product\r
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Algebra.Com's Answer #143697 by Mathtut(3670)\"\" \"About 
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\"%282x%2B1%29%28x-1%29=2x%5E2-2x%2Bx-1=2x%5E2-x-1\" \n" ); document.write( "
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