7u/3u-12

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Solution for 7u/3u-12 equation: 


u in (-oo:+oo)

((7*u)/3)*u-12 = 0

7/3*u^2 = 12 // : 7/3

u^2 = 36/7

u^2 = 36/7 // ^ 1/2

abs(u) = (36/7)^(1/2)

u = (36/7)^(1/2) or u = -(36/7)^(1/2)

u in { (36/7)^(1/2), -(36/7)^(1/2) }

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