5x^2+8/7=4

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Solution for 5x^2+8/7=4 equation: 


x in (-oo:+oo)

5*x^2+8/7 = 4 // - 4

5*x^2+8/7-4 = 0

5*x^2 = 20/7 // : 5

x^2 = 4/7

x^2 = 4/7 // ^ 1/2

abs(x) = (4/7)^(1/2)

x = (4/7)^(1/2) or x = -(4/7)^(1/2)

x in { (4/7)^(1/2), -(4/7)^(1/2) }

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