x^2-9x/2-5/2

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Solution for x^2-9x/2-5/2 equation: 


x in (-oo:+oo)

x^2-((9*x)/2)-(5/2) = 0

x^2+(-9/2)*x-5/2 = 0

x^2-9/2*x-5/2 = 0

DELTA = (-9/2)^2-(-5/2*1*4)

DELTA = 121/4

DELTA > 0

x = ((121/4)^(1/2)+9/2)/(1*2) or x = (9/2-(121/4)^(1/2))/(1*2)

x = 5 or x = -1/2

x in { -1/2, 5 }

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