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w in (-oo:+oo)
w^2+(6/6)*w^2-(7*w)-(54*w)+48 = 0
w^2+(6/6)*w^2-7*w-54*w+48 = 0
2*w^2-61*w+48 = 0
DELTA = (-61)^2-(2*4*48)
DELTA = 3337
DELTA > 0
w = (3337^(1/2)+61)/(2*2) or w = (61-3337^(1/2))/(2*2)
w = (3337^(1/2)+61)/4 or w = (61-3337^(1/2))/4
w in { (61-3337^(1/2))/4, (3337^(1/2)+61)/4 }
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