document.write( "Question 282480:
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document.write( "x^2 - 3x +7 = 0\r
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document.write( "Find the exact solution. \r
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document.write( "I have to use the quadratic formula.\r
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document.write( "could someone explain how to do this? \n" );
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Algebra.Com's Answer #205162 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x^2-3x+7=0 \n" ); document.write( " \n" ); document.write( "x=(3+-sqrt[-3^2-4*1*7])/2*1 \n" ); document.write( "x=(3+-sqrt[9-28])/2 \n" ); document.write( "x=(3+-sqrt-19)/2 \n" ); document.write( "x=(3+-4.359i)/2 \n" ); document.write( "x=3+4.359i)/2 \n" ); document.write( "x=3/2+-4.359i/2 \n" ); document.write( "x=1.5+-2.18i ans. \n" ); document.write( " |