document.write( "Question 775698: Find the constant term that should be added to make the following expression a perfect-square trinomial. X^2-12x \n" ); document.write( "

Algebra.Com's Answer #473075 by Tatiana_Stebko(1539) $\"\"$ $\"About$

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$\"a%5E2-2ab%2Bb%5E2\"$ - a perfect-square trinomial
\n" ); document.write( " $\"x%5E2-12x=x%5E2-2%2Ax%2A6\"$
\n" ); document.write( "hence $\"a=x\"$ , $\"b=6\"$
\n" ); document.write( "the constant term that should be added is $\"b%5E2=6%5E2=36\"$
\n" ); document.write( "Answer: 36 \n" ); document.write( "

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