x^2-11/2x-42=0

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Solution for x^2-11/2x-42=0 equation: 


x in (-oo:+oo)

x^2-((11/2)*x)-42 = 0

x^2+(-11/2)*x-42 = 0

x^2-11/2*x-42 = 0

DELTA = (-11/2)^2-(-42*1*4)

DELTA = 793/4

DELTA > 0

x = ((793/4)^(1/2)+11/2)/(1*2) or x = (11/2-(793/4)^(1/2))/(1*2)

x = ((793/4)^(1/2)+11/2)/2 or x = (11/2-(793/4)^(1/2))/2

x in { (11/2-(793/4)^(1/2))/2, ((793/4)^(1/2)+11/2)/2 }

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