-5/2x^2-10x-4

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Solution for -5/2x^2-10x-4 equation: 


x in (-oo:+oo)

(-5/2)*x^2-(10*x)-4 = 0

(-5/2)*x^2-10*x-4 = 0

-5/2*x^2-10*x-4 = 0

DELTA = (-10)^2-(-4*(-5/2)*4)

DELTA = 60

DELTA > 0

x = (60^(1/2)+10)/(-5/2*2) or x = (10-60^(1/2))/(-5/2*2)

x = (2*15^(1/2)+10)/(-5) or x = (10-2*15^(1/2))/(-5)

x in { (2*15^(1/2)+10)/(-5), (10-2*15^(1/2))/(-5) }

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