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D( g )
(g^2+8*g+16)/(g^2+g-12) = 0
g^2+g-12 = 0
5*g+5 = 0
(g^2+8*g+16)/(g^2+g-12) = 0
(g^2+8*g+16)/(g^2+g-12) = 0
g^2+8*g+16 = 0
g^2+8*g+16 = 0
DELTA = 8^2-(1*4*16)
DELTA = 0
g = -8/(1*2)
g = -4 or g = -4
(g+4)^2 = 0
g^2+g-12 = 0
g^2+g-12 = 0
DELTA = 1^2-(-12*1*4)
DELTA = 49
DELTA > 0
g = (49^(1/2)-1)/(1*2) or g = (-49^(1/2)-1)/(1*2)
g = 3 or g = -4
(g+4)*(g-3) = 0
((g+4)^2)/((g+4)*(g-3)) = 0
g+4 = 0 // - 4
g = -4
g^2+g-12 = 0
g^2+g-12 = 0
g^2+g-12 = 0
DELTA = 1^2-(-12*1*4)
DELTA = 49
DELTA > 0
g = (49^(1/2)-1)/(1*2) or g = (-49^(1/2)-1)/(1*2)
g = 3 or g = -4
5*g+5 = 0
5*g+5 = 0
5*g+5 = 0 // - 5
5*g = -5 // : 5
g = -5/5
g = -1
g in (-oo:-4) U (-4:-1) U (-1:3) U (3:+oo)
((g^2+5*g+4)/(5*g+5))/((g^2+8*g+16)/(g^2+g-12)) = 0
((g^2+5*g+4)*(g^2+g-12))/((5*g+5)*(g^2+8*g+16)) = 0
g^2+5*g+4 = 0
g^2+5*g+4 = 0
DELTA = 5^2-(1*4*4)
DELTA = 9
DELTA > 0
g = (9^(1/2)-5)/(1*2) or g = (-9^(1/2)-5)/(1*2)
g = -1 or g = -4
(g+4)*(g+1) = 0
g^2+8*g+16 = 0
g^2+8*g+16 = 0
DELTA = 8^2-(1*4*16)
DELTA = 0
g = -8/(1*2)
g = -4 or g = -4
(g+4)^2 = 0
g^2+g-12 = 0
g^2+g-12 = 0
DELTA = 1^2-(-12*1*4)
DELTA = 49
DELTA > 0
g = (49^(1/2)-1)/(1*2) or g = (-49^(1/2)-1)/(1*2)
g = 3 or g = -4
(g+4)*(g-3) = 0
((g+4)^2*(g+1)*(g-3))/((5*g+5)*(g+4)^2) = 0
( g+1 )
g+1 = 0 // - 1
g = -1
( g+4 )
g+4 = 0 // - 4
g = -4
( g-3 )
g-3 = 0 // + 3
g = 3
g in { -1}
g in { -4}
g in { 3}
g belongs to the empty set
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