document.write( "Question 152616This question is from textbook Applied Calculus for the Managerial, Life and Social Sciences
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document.write( ": Use the quadratic formula to solve the following equation:\r
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document.write( "9x^2 - 12x = 4\r
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document.write( "The answer I worked was:
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document.write( "9x^2 - 12x - 4 = 0
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document.write( "x = -12 +/- sqrt 12^2 - 4(9)(4) / 2 (9)
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document.write( "x = 0/18
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document.write( "x = 0\r
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document.write( "However, in the book, it shows the answer as:
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document.write( "2/3(1 - sqrt 2); 2/3(1 + sqrt 2)\r
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document.write( "Can you please explain how I get to this answer? What am I doing wrong?\r
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document.write( "Thank you sooo much for your help.
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document.write( "
Algebra.Com's Answer #112179 by Edwin McCravy(20055)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "You don't have the formula right:\r\n" ); document.write( "\r\n" ); document.write( "The solution to\r\n" ); document.write( "\r\n" ); document.write( "\n" ); document.write( " |