3x^2+12/5x^2-20

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Solution for 3x^2+12/5x^2-20 equation: 


x in (-oo:+oo)

3*x^2+(12/5)*x^2-20 = 0

27/5*x^2 = 20 // : 27/5

x^2 = 100/27

x^2 = 100/27 // ^ 1/2

abs(x) = (100/27)^(1/2)

x = (100/27)^(1/2) or x = -(100/27)^(1/2)

x in { (100/27)^(1/2), -(100/27)^(1/2) }

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