((x+4)/(x^2-4))((4x-8)/(2+4))

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Solution for ((x+4)/(x^2-4))((4x-8)/(2+4)) equation: 


D( x )

x^2-4 = 0

x^2-4 = 0

x^2-4 = 0

1*x^2 = 4 // : 1

x^2 = 4

x^2 = 4 // ^ 1/2

abs(x) = 2

x = 2 or x = -2

x in (-oo:-2) U (-2:2) U (2:+oo)

((x+4)/(x^2-4))*((4*x-8)/(2+4)) = 0

((x+4)*(4*x-8))/(6*(x^2-4)) = 0

( 4*x-8 )

4*x-8 = 0 // + 8

4*x = 8 // : 4

x = 8/4

x = 2

( x+4 )

x+4 = 0 // - 4

x = -4

x in { 2} 

x = -4

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