5x^2/4=36

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Solution for 5x^2/4=36 equation: 


x in (-oo:+oo)

(5*x^2)/4 = 36 // - 36

(5*x^2)/4-36 = 0

5/4*x^2 = 36 // : 5/4

x^2 = 144/5

x^2 = 144/5 // ^ 1/2

abs(x) = (144/5)^(1/2)

x = (144/5)^(1/2) or x = -(144/5)^(1/2)

x in { (144/5)^(1/2), -(144/5)^(1/2) }

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