Question 376277
 x^2+6x-4=0 
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Use Quadratic Formula:
x = [-6 +- sqrt(36-4*1*-4)]/2
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x = [-6 +- sqrt(52)]/2
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x = [-6 +- 2sqrt(13)]/2
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x = [-3 +- sqrt(13)]
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Cheers,
Stan H.