document.write( "Question 290303: Find the value of n such that x2 + 2x + n is a perfect square trinomial. \n" ); document.write( "
Algebra.Com's Answer #210156 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
x^2 + 2x + n
\n" ); document.write( "x^2+2x+1 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "(x+1)^2
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