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4*x^3+12*x^2-(19*x)-((12/2)*x)-3 = 0
4*x^3+12*x^2-19*x-6*x-3 = 0
4*x^3+12*x^2-25*x-3 = 0
{ 1, -1, 3, -3 }
1
x = 1
4*x^3+12*x^2-25*x-3 = -12
1
-1
x = -1
4*x^3+12*x^2-25*x-3 = 30
-1
3
x = 3
4*x^3+12*x^2-25*x-3 = 138
3
-3
x = -3
4*x^3+12*x^2-25*x-3 = 72
-3
{ 1/2, -1/2, 1/4, -1/4, -1/2, 1/2, -1/4, 1/4, 3/2, -3/2, 3/4, -3/4, -3/2, 3/2, -3/4, 3/4 }
1/2
x
1/2
4*x^3+12*x^2-25*x-3 = -12
1/2
-1/2
x
-1/2
4*x^3+12*x^2-25*x-3 = 12
-1/2
1/4
x
1/4
4*x^3+12*x^2-25*x-3 = -8.4375
1/4
-1/4
x
-1/4
4*x^3+12*x^2-25*x-3 = 3.9375
-1/4
-1/2
x
-1/2
4*x^3+12*x^2-25*x-3 = 12
-1/2
1/2
x
1/2
4*x^3+12*x^2-25*x-3 = -12
1/2
-1/4
x
-1/4
4*x^3+12*x^2-25*x-3 = 3.9375
-1/4
1/4
x
1/4
4*x^3+12*x^2-25*x-3 = -8.4375
1/4
3/2
x
3/2
4*x^3+12*x^2-25*x-3 = 0
3/2
x-3/2
4*x^2+18*x+2
4*x^3+12*x^2-25*x-3
x-3/2
6*x^2-4*x^3
18*x^2-25*x-3
27*x-18*x^2
2*x-3
3-2*x
0
4*x^2+18*x+2 = 0
DELTA = 18^2-(2*4*4)
DELTA = 292
DELTA > 0
x = (292^(1/2)-18)/(2*4) or x = (-292^(1/2)-18)/(2*4)
x = (2*73^(1/2)-18)/8 or x = (-2*73^(1/2)-18)/8
x in { (-2*73^(1/2)-18)/8, (2*73^(1/2)-18)/8, 3/2}
x in { (-2*73^(1/2)-18)/8, (2*73^(1/2)-18)/8, 3/2 }
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