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w in (-oo:+oo)
w^2-((6/4)*w^2)-w-36 = 0
w^2+(-3/2)*w^2-w-36 = 0
-1/2*w^2-w-36 = 0
DELTA = (-1)^2-(-36*(-1/2)*4)
DELTA = -71
DELTA < 0
w belongs to the empty set
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