document.write( "Question 58251: Which of the following polynomials is NOT a perfect square trinomial? \r
\n" ); document.write( "\n" ); document.write( " x2 + 2x + 1
\n" ); document.write( " 4x2 - 4x + 1
\n" ); document.write( " x2 + 3x + 9
\n" ); document.write( " 16x2 + 8x + 1
\n" ); document.write( " all of them are perfect square trinomials \r
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Algebra.Com's Answer #39875 by faceoff57(108)\"\" \"About 
You can put this solution on YOUR website!
x2 + 2x + 1
\n" ); document.write( "(X+1)(X+1)
\n" ); document.write( "4x2 - 4x + 1
\n" ); document.write( "(2X-1)(2X-1)
\n" ); document.write( "16x2 + 8x + 1
\n" ); document.write( "(4X+1)(4X+1)
\n" ); document.write( "x2 + 3x + 9 IS NOT A PERFECT SQUARE.
\n" ); document.write( "
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