document.write( "Question 730650: What are the solutions of the quadratic equation below?\r
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document.write( "2x2 - 2x - 9 = 0 \n" );
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Algebra.Com's Answer #446778 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! What are the solutions of the quadratic equation below? \n" ); document.write( "2x^2 - 2x - 9 = 0 \n" ); document.write( "---- \n" ); document.write( "Using the Quadratic Formula: \n" ); document.write( "x = [2 +- sqrt(4-4*2*-9)]/4 \n" ); document.write( "---- \n" ); document.write( "x = [2 +- sqrt(76)]/4 \n" ); document.write( "----- \n" ); document.write( "x = [2 +- 2sqrt(19)]/4 \n" ); document.write( "---- \n" ); document.write( "x = (1/2) +- (1/2)sqrt(19) \n" ); document.write( "============================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " \n" ); document.write( " |