0.05-320/x^2=0

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Solution for 0.05-320/x^2=0 equation: 


D( x )

x^2 = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

x in (-oo:0) U (0:+oo)

0.05-(320/(x^2)) = 0

0.05-320*x^-2 = 0

-320*x^-2 = -0.05 // : -320

x^-2 = 0.00015625

-2 < 0

1/(x^2) = 0.00015625 // * x^2

1 = 0.00015625*x^2 // : 0.00015625

6400 = x^2

x^2 = 6400 // ^ 1/2

abs(x) = 80

x = 80 or x = -80

x in { 80, -80 }

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