(3x-18)/(((x)^2)-36)

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Solution for (3x-18)/(((x)^2)-36) equation: 


D( x )

x^2-36 = 0

x^2-36 = 0

x^2-36 = 0

1*x^2 = 36 // : 1

x^2 = 36

x^2 = 36 // ^ 1/2

abs(x) = 6

x = 6 or x = -6

x in (-oo:-6) U (-6:6) U (6:+oo)

(3*x-18)/(x^2-36) = 0

3*x-18 = 0 // + 18

3*x = 18 // : 3

x = 18/3

x = 6

x in { 6} 

x belongs to the empty set

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