document.write( "Question 316587: Complete the square to make the binomial a perfect square trinomial.
\n" ); document.write( "x^2 - 12x
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Algebra.Com's Answer #226493 by CharlesG2(834)\"\" \"About 
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Complete the square to make the binomial a perfect square trinomial.
\n" ); document.write( "x^2 - 12x\r
\n" ); document.write( "\n" ); document.write( "x^2 - 12x = 0 (set it to zero)\r
\n" ); document.write( "\n" ); document.write( "x^2 - 12x + (-6)^2 = (-6)^2 (added the square of half of -12 to both sides)\r
\n" ); document.write( "\n" ); document.write( "x^2 - 12x + 36 = 36
\n" ); document.write( "if you want to solve for x:
\n" ); document.write( "(x - 6)^2 = 6^2
\n" ); document.write( "x - 6 = +- 6 (this means that -6 * -6 = 36 or 6 * 6 = 36)
\n" ); document.write( "x - 6 = 6 OR x - 6 = -6
\n" ); document.write( "x = 12 OR x = 0
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