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

-6x3 + 72x2 - 216x = 0
 x1 = 0 ,   x2 = 6 ,   x3 = 6		9x3 + 45x2 + 54x = 0
 x1 = 0 ,   x2 = -3 ,   x3 = -2
5.5x3 + 11x2 - 264x = 0
 x1 = 0 ,   x2 = -8 ,   x3 = 6		4x3 - 28x2 - 72x = 0
 x1 = 0 ,   x2 = -2 ,   x3 = 9
8.5x3 + 68x2 + 127.5x = 0
 x1 = 0 ,   x2 = -5 ,   x3 = -3		-2.5x3 - 5x2 + 200x = 0
 x1 = 0 ,   x2 = -10 ,   x3 = 8
-6.5x3 + 19.5x2 + 455x = 0
 x1 = 0 ,   x2 = -7 ,   x3 = 10		-3.5x3 - 31.5x2 = 0
 x1 = 0 ,   x2 = -9 ,   x3 = 0
2x3 + 16x2 + 32x = 0
 x1 = 0 ,   x2 = -4 ,   x3 = -4		2x3 - 10x2 + 8x = 0
 x1 = 0 ,   x2 = 1 ,   x3 = 4
8.5x3 + 8.5x2 - 357x = 0
 x1 = 0 ,   x2 = -7 ,   x3 = 6		2.5x3 - 2.5x2 - 50x = 0
 x1 = 0 ,   x2 = -4 ,   x3 = 5
3x3 = 0
 x1 = 0 ,   x2 = 0 ,   x3 = 0		7.5x3 - 52.5x2 + 75x = 0
 x1 = 0 ,   x2 = 2 ,   x3 = 5
2.5x3 - 32.5x2 + 90x = 0
 x1 = 0 ,   x2 = 4 ,   x3 = 9		x3 + 8x2 = 0
 x1 = 0 ,   x2 = -8 ,   x3 = 0
-0.5x3 - 0.5x2 + 15x = 0
 x1 = 0 ,   x2 = -6 ,   x3 = 5		-7x3 - 70x2 - 63x = 0
 x1 = 0 ,   x2 = -9 ,   x3 = -1
-2.5x3 + 37.5x2 - 140x = 0
 x1 = 0 ,   x2 = 7 ,   x3 = 8		-4x3 + 36x2 - 72x = 0
 x1 = 0 ,   x2 = 3 ,   x3 = 6