document.write( "Question 139128: Calculate the value of the discriminant of x^2+2x+1=0 \n" ); document.write( "
Algebra.Com's Answer #101465 by edjones(8007)\"\" \"About 
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x^2+2x+1=0
\n" ); document.write( "a=1 b=2 c=1
\n" ); document.write( "b^2-4ac=4-4=0
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