document.write( "Question 1086037: Janaina is trying to solve the following equation by completing the square: x^2+18x-9 = 0.She successfully rewrites the above equation in the following form: (x + b)^2 = c, where b and c are integers. What is the value of c? \n" ); document.write( "

Algebra.Com's Answer #700136 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+x%5E2%2B18x-9+=+0\"$
\n" ); document.write( " $\"+%28x%5E2%2B18x%29-9+=+0\"$
\n" ); document.write( " $\"+%28x%5E2%2B18x%2B%2818%2F2%29%5E2%29-9+=%2818%2F2%29%5E2\"$
\n" ); document.write( " $\"+%28x%5E2%2B18x%2B81%29+=81%2B9\"$
\n" ); document.write( " $\"%28x%2B9%29%5E2=90\"$ \n" ); document.write( "

\n" );