-8=8t-1/4t^2

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Solution for -8=8t-1/4t^2 equation: 


t in (-oo:+oo)

-8 = 8*t-((1/4)*t^2) // - 8*t-((1/4)*t^2)

(1/4)*t^2-(8*t)-8 = 0

(1/4)*t^2-8*t-8 = 0

1/4*t^2-8*t-8 = 0

DELTA = (-8)^2-(-8*1/4*4)

DELTA = 72

DELTA > 0

t = (72^(1/2)+8)/(1/4*2) or t = (8-72^(1/2))/(1/4*2)

t = 2*(6*2^(1/2)+8) or t = 2*(8-6*2^(1/2))

t in { 2*(8-6*2^(1/2)), 2*(6*2^(1/2)+8) }

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