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OpenStudy (anonymous):
x^2+5x-7=0
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OpenStudy (rulnick):
x = (-5 +/- sqrt(25+28)) / 2 = (-5 +/- sqrt(53)) / 2.
OpenStudy (rulnick):
... or about x=-6.14 or x=1.14.
OpenStudy (anonymous):
Nice use of the Quadratic Formula. Can get the same solution by completing the square.
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