document.write( "Question 108379: completing the square\r
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document.write( "-1/2x²+4x-6=0 \n" );
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Algebra.Com's Answer #79011 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! -1/2x²+4x-6=0 \n" ); document.write( "Multiply thru by -2 to get: \n" ); document.write( "x^2-8x+12 = 0 \n" ); document.write( "Complete the square on the x terms and keep the equation balanced. \n" ); document.write( "---------- \n" ); document.write( "x^2-8x = -12 \n" ); document.write( "x^2-8x+16 = -12+16 \n" ); document.write( "(x-4)^2 = 4 \n" ); document.write( "-------------- \n" ); document.write( "Take the square root of both sides to get: \n" ); document.write( "x-4 = 2 or x-4 = -2 \n" ); document.write( "x = 6 or x = 2 \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |