(3x)2-10=56/4

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Solution for (3x)2-10=56/4 equation: 


x in (-oo:+oo)

(3*x)^2-10 = 56/4 // - 56/4

(3*x)^2-(56/4)-10 = 0

(3*x)^2-14-10 = 0

9*x^2 = 24 // : 9

x^2 = 8/3

x^2 = 8/3 // ^ 1/2

abs(x) = (8/3)^(1/2)

x = (8/3)^(1/2) or x = -(8/3)^(1/2)

x in { (8/3)^(1/2), -(8/3)^(1/2) }

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