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

-2.5x3 - 17.5x2 + 45x = 0
 x1 = 0 ,   x2 = -9 ,   x3 = 2		5.5x3 + 11x2 - 264x = 0
 x1 = 0 ,   x2 = -8 ,   x3 = 6
-9.5x3 + 9.5x2 + 190x = 0
 x1 = 0 ,   x2 = -4 ,   x3 = 5		9x3 - 72x2 + 108x = 0
 x1 = 0 ,   x2 = 2 ,   x3 = 6
-x3 - 13x2 - 42x = 0
 x1 = 0 ,   x2 = -7 ,   x3 = -6		2x3 + 8x2 + 8x = 0
 x1 = 0 ,   x2 = -2 ,   x3 = -2
-3.5x3 + 87.5x = 0
 x1 = 0 ,   x2 = -5 ,   x3 = 5		4.5x3 - 31.5x2 + 45x = 0
 x1 = 0 ,   x2 = 2 ,   x3 = 5
3x3 + 6x2 - 72x = 0
 x1 = 0 ,   x2 = -6 ,   x3 = 4		4x3 - 64x2 + 240x = 0
 x1 = 0 ,   x2 = 6 ,   x3 = 10
2.5x3 + 32.5x2 + 105x = 0
 x1 = 0 ,   x2 = -7 ,   x3 = -6		-1.5x3 + 7.5x2 + 9x = 0
 x1 = 0 ,   x2 = -1 ,   x3 = 6
-1.5x3 + 12x2 - 18x = 0
 x1 = 0 ,   x2 = 2 ,   x3 = 6		5.5x3 - 88x2 + 330x = 0
 x1 = 0 ,   x2 = 6 ,   x3 = 10
-5.5x3 - 38.5x2 + 99x = 0
 x1 = 0 ,   x2 = -9 ,   x3 = 2		-x3 + 2x2 + 8x = 0
 x1 = 0 ,   x2 = -2 ,   x3 = 4
8x3 - 32x2 - 168x = 0
 x1 = 0 ,   x2 = -3 ,   x3 = 7		-2x3 - 28x2 - 80x = 0
 x1 = 0 ,   x2 = -10 ,   x3 = -4
-2.5x3 - 32.5x2 - 90x = 0
 x1 = 0 ,   x2 = -9 ,   x3 = -4		10x3 - 1000x = 0
 x1 = 0 ,   x2 = -10 ,   x3 = 10