x^2-7/2x-65-0

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Solution for x^2-7/2x-65-0 equation: 


x in (-oo:+oo)

x^2-((7/2)*x)-65+0 = 0

x^2+(-7/2)*x-65 = 0

x^2-7/2*x-65 = 0

DELTA = (-7/2)^2-(-65*1*4)

DELTA = 1089/4

DELTA > 0

x = ((1089/4)^(1/2)+7/2)/(1*2) or x = (7/2-(1089/4)^(1/2))/(1*2)

x = 10 or x = -13/2

x in { -13/2, 10 }

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