document.write( "Question 240870: (x+1)(x-1) \n" ); document.write( "
Algebra.Com's Answer #176496 by checkley77(12844)\"\" \"About 
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(x+1)
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\n" ); document.write( "x^2+x-x-1
\n" ); document.write( "x^2-1 ans.
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