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

4x3 - 8x2 - 60x = 0
 x1 = 0 ,   x2 = -3 ,   x3 = 5		5x3 + 15x2 = 0
 x1 = 0 ,   x2 = -3 ,   x3 = 0
-3x3 + 3x2 + 60x = 0
 x1 = 0 ,   x2 = -4 ,   x3 = 5		6x3 + 78x2 + 252x = 0
 x1 = 0 ,   x2 = -7 ,   x3 = -6
8.5x3 - 8.5x2 - 170x = 0
 x1 = 0 ,   x2 = -4 ,   x3 = 5		7x3 - 56x2 + 105x = 0
 x1 = 0 ,   x2 = 3 ,   x3 = 5
3x3 - 30x2 + 63x = 0
 x1 = 0 ,   x2 = 3 ,   x3 = 7		2x3 - 28x2 + 98x = 0
 x1 = 0 ,   x2 = 7 ,   x3 = 7
5x3 - 5x2 - 30x = 0
 x1 = 0 ,   x2 = -2 ,   x3 = 3		2x3 + 18x2 + 36x = 0
 x1 = 0 ,   x2 = -6 ,   x3 = -3
3x3 + 21x2 - 54x = 0
 x1 = 0 ,   x2 = -9 ,   x3 = 2		10x3 - 50x2 - 140x = 0
 x1 = 0 ,   x2 = -2 ,   x3 = 7
0.5x3 - 3.5x2 = 0
 x1 = 0 ,   x2 = 0 ,   x3 = 7		-x3 - x2 + 72x = 0
 x1 = 0 ,   x2 = -9 ,   x3 = 8
5.5x3 + 93.5x2 + 385x = 0
 x1 = 0 ,   x2 = -10 ,   x3 = -7		7.5x3 + 97.5x2 + 225x = 0
 x1 = 0 ,   x2 = -10 ,   x3 = -3
7x3 + 7x2 = 0
 x1 = 0 ,   x2 = -1 ,   x3 = 0		9x3 + 45x2 + 36x = 0
 x1 = 0 ,   x2 = -4 ,   x3 = -1
4x3 - 4x2 = 0
 x1 = 0 ,   x2 = 0 ,   x3 = 1		4.5x3 + 81x2 + 360x = 0
 x1 = 0 ,   x2 = -10 ,   x3 = -8