Quadratic equation  (in our case  ) has the following solutons:
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document.write( " For these solutions to exist, the discriminant  should not be a negative number.
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document.write( " First, we need to compute the discriminant :  .
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document.write( " The discriminant -111 is less than zero. That means that there are no solutions among real numbers.
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document.write( " If you are a student of advanced school algebra and are aware about imaginary numbers, read on.
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document.write( " In the field of imaginary numbers, the square root of -111 is + or -  .
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document.write( " The solution is 
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document.write( " Here's your graph:
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document.write( "![\"\"](\"/images/stars/stars-13.gif\")
