3t-10=-20/t

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Solution for 3t-10=-20/t equation: 


D( t )

t = 0

t = 0

t = 0

t in (-oo:0) U (0:+oo)

3*t-10 = -20/t // + -20/t

3*t-(-20/t)-10 = 0

3*t+20*t^-1-10 = 0

3*t^1+20*t^-1-10*t^0 = 0

(3*t^2-10*t^1+20*t^0)/(t^1) = 0 // * t^2

t^1*(3*t^2-10*t^1+20*t^0) = 0

t^1

3*t^2-10*t+20 = 0

3*t^2-10*t+20 = 0

DELTA = (-10)^2-(3*4*20)

DELTA = -140

DELTA < 0

t in { } 

t belongs to the empty set

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