document.write( "Question 144191: Please help me with this question?\r
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Algebra.Com's Answer #104952 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Well \"-x%5E2%2B2x-1\" factors to \"-%28x-1%29%28x-1%29=-%28x-1%29%5E2\" which means that it's a perfect square. So the best description is that \"-x%5E2%2B2x-1\" is a perfect square. \n" ); document.write( "
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