document.write( "Question 463724: I am not able to figure this one out, the question is as follows:\r
\n" ); document.write( "\n" ); document.write( "What number would you add to the equation below to complete the square?
\n" ); document.write( "x^2 - 13x=0\r
\n" ); document.write( "\n" ); document.write( "A. 26
\n" ); document.write( "B. 169/4
\n" ); document.write( "C. 13/4
\n" ); document.write( "D. 169/2\r
\n" ); document.write( "\n" ); document.write( "I have tried replacing x with all of these numbers and to no avail. It has been over 15 years since I have taken an algebra class! Please help me understand what I am overlooking.
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Algebra.Com's Answer #317684 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
Whatever the coefficient of the x term is (not the \"x%5E2\" term!), divide by 2, and then square the result. In this case, the coefficient of x is -13. Dividing by 2 and then squaring, we get \"%28%28-13%29%2F2%29%5E2+=+169%2F4\". \n" ); document.write( "
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