5x-5/2x^2-2

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


x in (-oo:+oo)

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

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

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

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

DELTA = 5

DELTA > 0

x = (5^(1/2)-5)/(-5/2*2) or x = (-5^(1/2)-5)/(-5/2*2)

x = (5^(1/2)-5)/(-5) or x = (5^(1/2)+5)/5

x in { (5^(1/2)-5)/(-5), (5^(1/2)+5)/5 }

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