4x^2/9=1600

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Solution for 4x^2/9=1600 equation: 


x in (-oo:+oo)

(4*x^2)/9 = 1600 // - 1600

(4*x^2)/9-1600 = 0

4/9*x^2 = 1600 // : 4/9

x^2 = 3600

x^2 = 3600 // ^ 1/2

abs(x) = 60

x = 60 or x = -60

x in { 60, -60 }

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