5x/2x-9

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Solution for 5x/2x-9 equation: 


x in (-oo:+oo)

((5*x)/2)*x-9 = 0

5/2*x^2 = 9 // : 5/2

x^2 = 18/5

x^2 = 18/5 // ^ 1/2

abs(x) = (18/5)^(1/2)

x = (18/5)^(1/2) or x = -(18/5)^(1/2)

x in { (18/5)^(1/2), -(18/5)^(1/2) }

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