document.write( "Question 324573: I am trying to complete the square. Here's what I did:\r
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document.write( "x(2x+3)-1=0
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document.write( "x=2x+3+1=0+1
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document.write( "x=2x+4=1
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document.write( "x= (2,-2) \n" );
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Algebra.Com's Answer #232315 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I am trying to complete the square. \n" ); document.write( "x(2x+3)-1=0 \n" ); document.write( "--- \n" ); document.write( "2x^2 + 3x - 1 = 0 \n" ); document.write( "2(x^2 + (3/2)x) = 1 \n" ); document.write( "---- \n" ); document.write( "Complete the square: \n" ); document.write( "2(x^2 + (3/2)x + (3/4)^2) = 1 + 2(3/4)^2 \n" ); document.write( "--- \n" ); document.write( "2(x+(3/4))^2 = 1+9/8 \n" ); document.write( "--- \n" ); document.write( "2(x+(3/4))^2 = 17/8 \n" ); document.write( "--- \n" ); document.write( "(x+(3/4))^2 = 17/16 \n" ); document.write( "--- \n" ); document.write( "x+(3/4) = sqrt(17)/4 or x+(3/4) = -sqrt(17)/4 \n" ); document.write( "----------------------------------------------- \n" ); document.write( "x = (-3+sqrt(17))/4 or x = (-3-sqrt(17))/4 \n" ); document.write( "================================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |