document.write( "Question 1014421: Solve by completing the square x^2+6x=12\r
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document.write( "Show work please, thanks\r
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Algebra.Com's Answer #630714 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve by completing the square x^2+6x=12 \n" ); document.write( "----- \n" ); document.write( "x^2 + 6x + 9 = 12+9 \n" ); document.write( "----- \n" ); document.write( "(x+3)^2 = 21 \n" ); document.write( "-------- \n" ); document.write( "x+3 = sqrt(21) or x+3 = -sqrt(21) \n" ); document.write( "------ \n" ); document.write( "x = -3+sqrt(21) or x = -3-sqrt(21) \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "---------------- \n" ); document.write( " |