X^2/x+40=20

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Solution for X^2/x+40=20 equation: 


D( x )

x = 0

x = 0

x = 0

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

(X^2)/x+40 = 20 // - 20

(X^2)/x-20+40 = 0

X^2*x^-1 = -20 // : X^2

x^-1 = -20/(X^2)

-1 < 0

1/(x^1) = -20/(X^2) // * x^1

1 = (-20/(X^2))*x^1 // : -20/(X^2)

1/(-20/(X^2)) = x^1

x = 1/(-20/(X^2))

x = 1/(-20/(X^2))

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