document.write( "Question 557034: what is not a perfect square trinomial? a) X^2 -6x-9 b) x^2-8x+16 c) x^2-2x+1 d) x^2+10x+25 If anyone could please be my toutor id really apprecate it. i Fell far behind in amth and i need to get caught up \n" ); document.write( "
Algebra.Com's Answer #362393 by KMST(5328)\"\" \"About 
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\"x%5E2+-6x%2B9=%28x%2B3%29%5E2\", but \"x%5E2+-6x-9\" is not a perfect square.
\n" ); document.write( "A perfect square has 2 squares added (with plus signs) and double their product (the term that could have a minus sign).
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