4x^2-16/25=0

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Solution for 4x^2-16/25=0 equation: 


x in (-oo:+oo)

4*x^2-(16/25) = 0

4*x^2-16/25 = 0

4*x^2 = 16/25 // : 4

x^2 = 4/25

x^2 = 4/25 // ^ 1/2

abs(x) = 2/5

x = 2/5 or x = -2/5

x in { 2/5, -2/5 }

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