4/25x^2-9/16

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Solution for 4/25x^2-9/16 equation: 


x in (-oo:+oo)

(4/25)*x^2-(9/16) = 0

(4/25)*x^2-9/16 = 0

4/25*x^2 = 9/16 // : 4/25

x^2 = 225/64

x^2 = 225/64 // ^ 1/2

abs(x) = 15/8

x = 15/8 or x = -15/8

x in { 15/8, -15/8 }

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