((12x+12)/(8x+32))*((2x+8)/(4x^2-4))=0

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Solution for ((12x+12)/(8x+32))*((2x+8)/(4x^2-4))=0 equation: 


D( x )

4*x^2-4 = 0

8*x+32 = 0

4*x^2-4 = 0

4*x^2-4 = 0

4*x^2 = 4 // : 4

x^2 = 1

x^2 = 1 // ^ 1/2

abs(x) = 1

x = 1 or x = -1

8*x+32 = 0

8*x+32 = 0

8*x+32 = 0 // - 32

8*x = -32 // : 8

x = -32/8

x = -4

x in (-oo:-4) U (-4:-1) U (-1:1) U (1:+oo)

((12*x+12)/(8*x+32))*((2*x+8)/(4*x^2-4)) = 0

((12*x+12)*(2*x+8))/((8*x+32)*(4*x^2-4)) = 0

( 12*x+12 )

12*x+12 = 0 // - 12

12*x = -12 // : 12

x = -12/12

x = -1

( 2*x+8 )

2*x+8 = 0 // - 8

2*x = -8 // : 2

x = -8/2

x = -4

x in { -1} 

x in { -4} 

x belongs to the empty set

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