(6x^2-54)/(4x^2-36)

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Solution for (6x^2-54)/(4x^2-36) equation: 


D( x )

4*x^2-36 = 0

4*x^2-36 = 0

4*x^2-36 = 0

4*x^2 = 36 // : 4

x^2 = 9

x^2 = 9 // ^ 1/2

abs(x) = 3

x = 3 or x = -3

x in (-oo:-3) U (-3:3) U (3:+oo)

(6*x^2-54)/(4*x^2-36) = 0

6*x^2 = 54 // : 6

x^2 = 9

x^2 = 9 // ^ 1/2

abs(x) = 3

x = 3 or x = -3

x in { 3} 

x in { -3} 

x belongs to the empty set

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