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D( m )
6*m-((12/8)*m^2)+16*m = 0
6*m-((12/8)*m^2)+16*m = 0
6*m-((12/8)*m^2)+16*m = 0
(-3/2)*m^2+6*m+16*m = 0
22*m-3/2*m^2 = 0
DELTA = 22^2-(-3/2*0*4)
DELTA = 484
DELTA > 0
m = (484^(1/2)-22)/(-3/2*2) or m = (-484^(1/2)-22)/(-3/2*2)
m = 0 or m = 44/3
m in (-oo:0) U (0:44/3) U (44/3:+oo)
(3*m^2-((12/4)*m^2)+8*m)/(6*m-((12/8)*m^2)+16*m) = 0
(3*m^2-3*m^2+8*m)/((-3/2)*m^2+6*m+16*m) = 0
(8*m)/(22*m-3/2*m^2) = 0
22*m-3/2*m^2 = 0
m*(22-3/2*m) = 0
22-3/2*m = 0 // - 22
-3/2*m = -22 // : -3/2
m = -22/(-3/2)
m = 44/3
m*(m-44/3) = 0
(8*m)/(m*(m-44/3)) = 0
8*m = 0 // : 8
m = 0
m in { 0}
m belongs to the empty set
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