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t in (-oo:+oo)
(4*t^2-((4/9)*(t+1)^2))*(3*t+(3/2)*t-2) = 0
((-4/9)*(t+1)^2+4*t^2)*(3*t+(3/2)*t-2) = 0
(9/2*t-2)*(4*t^2-4/9*(t+1)^2) = 0
4*t^2-4/9*(t+1)^2 = 0
4*t^2-4/9*(t+1)^2 = 0
32/9*t^2-8/9*t-4/9 = 0
32/9*t^2-8/9*t-4/9 = 0
4/9*(8*t^2-2*t-1) = 0
8*t^2-2*t-1 = 0
DELTA = (-2)^2-(-1*4*8)
DELTA = 36
DELTA > 0
t = (36^(1/2)+2)/(2*8) or t = (2-36^(1/2))/(2*8)
t = 1/2 or t = -1/4
4/9*(t+1/4)*(t-1/2) = 0
4/9*(t+1/4)*(t-1/2) = 0
4/9*(9/2*t-2)*(t+1/4)*(t-1/2) = 0
( 9/2*t-2 )
9/2*t-2 = 0 // + 2
9/2*t = 2 // : 9/2
t = 2/9/2
t = 4/9
( t+1/4 )
t+1/4 = 0 // - 1/4
t = -1/4
( t-1/2 )
t-1/2 = 0 // + 1/2
t = 1/2
t in { 4/9, -1/4, 1/2 }
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