t^2/9-t/3=2

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Solution for t^2/9-t/3=2 equation: 


t in (-oo:+oo)

(t^2)/9-(t/3) = 2 // - 2

(t^2)/9-(t/3)-2 = 0

1/9*t^2-1/3*t-2 = 0

DELTA = (-1/3)^2-(-2*1/9*4)

DELTA = 1

DELTA > 0

t = (1^(1/2)+1/3)/(1/9*2) or t = (1/3-1^(1/2))/(1/9*2)

t = 6 or t = -3

t in { -3, 6 }

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