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g in (-oo:+oo)
(1/2)*(g-8)*(g-11) = 35 // - 35
(1/2)*(g-8)*(g-11)-35 = 0
1/2*(g-8)*(g-11)-35 = 0
1/2*(g-8)*(g-11)-35 = 0
1/2*g^2-19/2*g+9 = 0
1/2*g^2-19/2*g+9 = 0
1/2*g^2-19/2*g+9 = 0
DELTA = (-19/2)^2-(1/2*4*9)
DELTA = 289/4
DELTA > 0
g = ((289/4)^(1/2)+19/2)/(1/2*2) or g = (19/2-(289/4)^(1/2))/(1/2*2)
g = 18 or g = 1
(g-1)*(g-18) = 0
(g-1)*(g-18) = 0
( g-1 )
g-1 = 0 // + 1
g = 1
( g-18 )
g-18 = 0 // + 18
g = 18
g in { 1, 18 }
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