7x/x^2-16

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Solution for 7x/x^2-16 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)

(7*x)/(x^2)-16 = 0

7*x^-1 = 16 // : 7

x^-1 = 16/7

-1 < 0

1/(x^1) = 16/7 // * x^1

1 = 16/7*x^1 // : 16/7

7/16 = x^1

x = 7/16

x = 7/16

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