2/13t^2-15/26t=25/26

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Solution for 2/13t^2-15/26t=25/26 equation: 


t in (-oo:+oo)

(2/13)*t^2-((15/26)*t) = 25/26 // - 25/26

(2/13)*t^2-((15/26)*t)-(25/26) = 0

(2/13)*t^2+(-15/26)*t-25/26 = 0

2/13*t^2-15/26*t-25/26 = 0

DELTA = (-15/26)^2-(-25/26*2/13*4)

DELTA = 625/676

DELTA > 0

t = ((625/676)^(1/2)+15/26)/(2/13*2) or t = (15/26-(625/676)^(1/2))/(2/13*2)

t = 5 or t = -5/4

t in { -5/4, 5 }

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