Löse die folgenden kubischen Gleichungen ax3 + bx2 + cx = 0

5.5x3 + 44x2 = 0
 x1 = 0 ,   x2 = -8 ,   x3 = 0
-3x3 + 9x2 = 0
 x1 = 0 ,   x2 = 0 ,   x3 = 3
4x3 - 36x2 + 56x = 0
 x1 = 0 ,   x2 = 2 ,   x3 = 7
-1.5x3 + 16.5x2 - 36x = 0
 x1 = 0 ,   x2 = 3 ,   x3 = 8
8x3 + 64x2 = 0
 x1 = 0 ,   x2 = -8 ,   x3 = 0
8x3 + 48x2 + 40x = 0
 x1 = 0 ,   x2 = -5 ,   x3 = -1
7.5x3 + 67.5x2 + 60x = 0
 x1 = 0 ,   x2 = -8 ,   x3 = -1
1.5x3 + 7.5x2 - 9x = 0
 x1 = 0 ,   x2 = -6 ,   x3 = 1
4.5x3 - 90x2 + 450x = 0
 x1 = 0 ,   x2 = 10 ,   x3 = 10
6x3 - 30x2 = 0
 x1 = 0 ,   x2 = 0 ,   x3 = 5
8x3 + 160x2 + 800x = 0
 x1 = 0 ,   x2 = -10 ,   x3 = -10
-4.5x3 + 40.5x2 - 63x = 0
 x1 = 0 ,   x2 = 2 ,   x3 = 7
5x3 + 20x2 - 25x = 0
 x1 = 0 ,   x2 = -5 ,   x3 = 1
-2x3 + 20x2 - 32x = 0
 x1 = 0 ,   x2 = 2 ,   x3 = 8
-4x3 - 4x2 + 80x = 0
 x1 = 0 ,   x2 = -5 ,   x3 = 4
-6.5x3 + 26x2 + 136.5x = 0
 x1 = 0 ,   x2 = -3 ,   x3 = 7
4.5x3 + 13.5x2 - 18x = 0
 x1 = 0 ,   x2 = -4 ,   x3 = 1
1.5x3 - 13.5x2 = 0
 x1 = 0 ,   x2 = 0 ,   x3 = 9
-6x3 - 12x2 + 18x = 0
 x1 = 0 ,   x2 = -3 ,   x3 = 1
7.5x3 - 105x2 + 300x = 0
 x1 = 0 ,   x2 = 4 ,   x3 = 10