X-45/x-4=0

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Solution for X-45/x-4=0 equation: 


D( x )

x = 0

x = 0

x = 0

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

X-(45/x)-4 = 0

X-45*x^-1-4 = 0

-45*x^-1 = -(X-4) // : -45

x^-1 = (4-X)/(-45)

-1 < 0

1/(x^1) = (4-X)/(-45) // * x^1

1 = x^1*((4-X)/(-45)) // : (4-X)/(-45)

-45*(4-X)^-1 = x^1

x = -45*(4-X)^-1

x = -45*(4-X)^-1

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