1/4s^2-3/4s-9/2=0

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Solution for 1/4s^2-3/4s-9/2=0 equation: 


s in (-oo:+oo)

(1/4)*s^2-((3/4)*s)-(9/2) = 0

(1/4)*s^2+(-3/4)*s-9/2 = 0

1/4*s^2-3/4*s-9/2 = 0

DELTA = (-3/4)^2-(-9/2*1/4*4)

DELTA = 81/16

DELTA > 0

s = ((81/16)^(1/2)+3/4)/(1/4*2) or s = (3/4-(81/16)^(1/2))/(1/4*2)

s = 6 or s = -3

s in { -3, 6 }

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