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m in (-oo:+oo)
12*m^2-((3/4)*m)-2 = 0
12*m^2+(-3/4)*m-2 = 0
12*m^2-3/4*m-2 = 0
DELTA = (-3/4)^2-(-2*4*12)
DELTA = 1545/16
DELTA > 0
m = ((1545/16)^(1/2)+3/4)/(2*12) or m = (3/4-(1545/16)^(1/2))/(2*12)
m = ((1545/16)^(1/2)+3/4)/24 or m = (3/4-(1545/16)^(1/2))/24
m in { (3/4-(1545/16)^(1/2))/24, ((1545/16)^(1/2)+3/4)/24 }
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