Question 344937
Use the quadratic formula to solve 
x^2-x=-9
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x^2-x+9 = 0
a = 1 ; b = -1 ; c = 9
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x = [1 +- sqrt(1-4*9)]/2
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x = [1 +- sqrt(-35)]/2
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x = [1 +- isqrt(35)]/2
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Cheers,
Stan H.