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x in (-oo:+oo)
X-((3/2)*x)-2 = (x/3)*x+1/6-1+3 // - (x/3)*x+1/6-1+3
X-((x/3)*x)-((3/2)*x)-(1/6)-3-2+1 = 0
X+(-1/3)*x^2+(-3/2)*x-1/6-3-2+1 = 0
X-1/3*x^2-3/2*x-25/6 = 0
DELTA = (-3/2)^2-(-1/3*4*(X-25/6))
DELTA = 4/3*(X-25/6)+9/4
4/3*(X-25/6)+9/4 = 0
(4/3*4*(X-25/6))/4+9/4 = 0
4/3*4*(X-25/6)+9 = 0
16/3*X-119/9 = 0
(16/3*X-119/9)/4 = 0
(16/3*X-119/9)/4 = 0 // * 4
16/3*X-119/9 = 0
16/3*X-119/9 = 0 // + 119/9
16/3*X = 119/9 // : 16/3
X = 119/9/16/3
X = 119/48
DELTA = 0 <=> t_1 = 119/48
x = 3/2/(-1/3*2) i X = 119/48
x = -9/4 i X = 119/48
( x = ((4/3*(X-25/6)+9/4)^(1/2)+3/2)/(-1/3*2) or x = (3/2-(4/3*(X-25/6)+9/4)^(1/2))/(-1/3*2) ) i X > 119/48
( x = -3/2*((4/3*(X-25/6)+9/4)^(1/2)+3/2) or x = -3/2*(3/2-(4/3*(X-25/6)+9/4)^(1/2)) ) i X > 119/48
X-119/48 > 0
X-119/48 > 0 // + 119/48
X > 119/48
x in { -9/4, -3/2*((4/3*(X-25/6)+9/4)^(1/2)+3/2), -3/2*(3/2-(4/3*(X-25/6)+9/4)^(1/2)) }
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