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D( x )
4*x^2+4*x = 0
(3-(3*x))/(4*x^2+4*x) = 0
8*x^2+8*x = 0
4*x^2+4*x = 0
4*x^2+4*x = 0
4*x^2+4*x = 0
DELTA = 4^2-(0*4*4)
DELTA = 16
DELTA > 0
x = (16^(1/2)-4)/(2*4) or x = (-16^(1/2)-4)/(2*4)
x = 0 or x = -1
(3-(3*x))/(4*x^2+4*x) = 0
(3-(3*x))/(4*x^2+4*x) = 0
(3-3*x)/(4*x^2+4*x) = 0
4*x^2+4*x = 0
4*x*(x+1) = 0
x+1 = 0 // - 1
x = -1
4*x*(x+1) = 0
(3-3*x)/(4*x*(x+1)) = 0
3-3*x = 0 // - 3
-3*x = -3 // : -3
x = -3/(-3)
x = 1
8*x^2+8*x = 0
8*x^2+8*x = 0
8*x^2+8*x = 0
DELTA = 8^2-(0*4*8)
DELTA = 64
DELTA > 0
x = (64^(1/2)-8)/(2*8) or x = (-64^(1/2)-8)/(2*8)
x = 0 or x = -1
x in (-oo:-1) U (-1:0) U (0:1) U (1:+oo)
((6*x^2-6)/(8*x^2+8*x))/((3-(3*x))/(4*x^2+4*x)) = 0
((6*x^2-6)/(8*x^2+8*x))/((3-3*x)/(4*x^2+4*x)) = 0
((6*x^2-6)*(4*x^2+4*x))/((8*x^2+8*x)*(3-3*x)) = 0
8*x^2+8*x = 0
8*x*(x+1) = 0
x+1 = 0 // - 1
x = -1
8*x*(x+1) = 0
4*x^2+4*x = 0
4*x*(x+1) = 0
x+1 = 0 // - 1
x = -1
4*x*(x+1) = 0
(4*x*(6*x^2-6)*(x+1))/(8*x*(x+1)*(3-3*x)) = 0
( 4*x )
4*x = 0 // : 4
x = 0
( 6*x^2-6 )
6*x^2 = 6 // : 6
x^2 = 1
x^2 = 1 // ^ 1/2
abs(x) = 1
x = 1 or x = -1
( x+1 )
x+1 = 0 // - 1
x = -1
x in { 0}
x in { 1}
x in { -1}
x belongs to the empty set
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