document.write( "Question 879256: Bill and Jenna are solving the quadratic equation x 2 - x = 12.\r
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document.write( "Bill solved this way Jenna solved this way
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document.write( "x2 - x = 12
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document.write( "x(x - 1) = 12
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document.write( "x = 12 or 13 x2 - x = 12
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document.write( "x2 - x - 12 = 0
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document.write( "(x - 4)(x + 3) = 0
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document.write( "x = 4 or x = -3
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document.write( "Which student is correct?\r
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document.write( "What error did the other student make when solving?\r
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Algebra.Com's Answer #797321 by ikleyn(52794)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "There is no worst way to study and to teach Math as to consider and analyse the errors made by those \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "who does not know and can not do Math properly.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So, your exercise is waste of time.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |