document.write( "Question 688189: How do you solve the quadratic equation\r
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document.write( "16x^2-21=0 \n" );
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Algebra.Com's Answer #425541 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How do you solve the quadratic equation \n" ); document.write( "16x^2-21=0 \n" ); document.write( "---- \n" ); document.write( "Factor: \n" ); document.write( "(4x-sqrt(21))(4x+sqrt(21)) = 0 \n" ); document.write( "----- \n" ); document.write( "x = sqrt(21)/4 or x = -sqrt(21)/4 \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " |