3d2-7=25/4

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Solution for 3d2-7=25/4 equation: 


d in (-oo:+oo)

3*d^2-7 = 25/4 // - 25/4

3*d^2-(25/4)-7 = 0

3*d^2-25/4-7 = 0

3*d^2 = 53/4 // : 3

d^2 = 53/12

d^2 = 53/12 // ^ 1/2

abs(d) = (53/12)^(1/2)

d = (53/12)^(1/2) or d = -(53/12)^(1/2)

d in { (53/12)^(1/2), -(53/12)^(1/2) }

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