Question 322982
2x^2 - 5x = -9 
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2x^2 - 5x + 9 = 0
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x = [5 +- sqrt(25-4*2*9)]/4
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x = [5 +- sqrt(-47)]/4
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x = [5+isqrt(47)]4 or x = [5-isqrt(47)]/4
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Cheers,
Stan H.