document.write( "Question 460233: To solve a quad equation
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document.write( "Wouldn't it be:
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document.write( "2x^2-4x=-2x set = to zero\r
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document.write( "2x^2-4x+2v=0\r
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document.write( "GCF 2(X-1)(X-1)\r
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document.write( "X= +1\r
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document.write( "and NOT:
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document.write( "2x² - 4x = 2x
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document.write( "2x² - 6x = 0 {subtracted 2x from both sides}
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document.write( "2x(x - 3) = 0 {factored out the greatest common factor, 2x}
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document.write( "2x = 0 or x - 3 = 0 {set each factor equal to 0}
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document.write( "x = 0 or x = 3 {solved each equation for x} \n" );
document.write( "
Algebra.Com's Answer #315674 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! To solve a quad equation \n" ); document.write( "Wouldn't it be: \n" ); document.write( "2x^2-4x=-2x set = to zero \n" ); document.write( "2x^2-4x+2x=0 \n" ); document.write( "2x^2-2x = 0 \n" ); document.write( "GCF = 2x \n" ); document.write( "2x(x-1) \n" ); document.write( "2x = 0 or x-1 = 0 \n" ); document.write( "X = 0 or x = 1 \n" ); document.write( "============================ \n" ); document.write( "Note: Following is a different problem because the 2x on the right \n" ); document.write( "side has a positive coefficient. \n" ); document.write( "============================ \n" ); document.write( "and NOT: \n" ); document.write( "2x² - 4x = 2x \n" ); document.write( "2x² - 6x = 0 {subtracted 2x from both sides} \n" ); document.write( "2x(x - 3) = 0 {factored out the greatest common factor, 2x} \n" ); document.write( "2x = 0 or x - 3 = 0 {set each factor equal to 0} \n" ); document.write( "x = 0 or x = 3 {solved each equation for x} \n" ); document.write( "--- \n" ); document.write( "Everything above is now correct. \n" ); document.write( "===================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |