4/5t^2-20=0

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Solution for 4/5t^2-20=0 equation: 


t in (-oo:+oo)

(4/5)*t^2-20 = 0

4/5*t^2 = 20 // : 4/5

t^2 = 25

t^2 = 25 // ^ 1/2

abs(t) = 5

t = 5 or t = -5

t in { 5, -5 }

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