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

3.5x3 + 52.5x2 + 175x = 0
 x1 = 0 ,   x2 = -10 ,   x3 = -5		-6x3 - 36x2 - 30x = 0
 x1 = 0 ,   x2 = -5 ,   x3 = -1
-9.5x3 - 123.5x2 - 399x = 0
 x1 = 0 ,   x2 = -7 ,   x3 = -6		-4x3 + 44x2 - 72x = 0
 x1 = 0 ,   x2 = 2 ,   x3 = 9
4x3 + 36x2 = 0
 x1 = 0 ,   x2 = -9 ,   x3 = 0		3x3 + 36x2 + 60x = 0
 x1 = 0 ,   x2 = -10 ,   x3 = -2
x3 - 12x2 + 32x = 0
 x1 = 0 ,   x2 = 4 ,   x3 = 8		-4x3 + 52x2 - 168x = 0
 x1 = 0 ,   x2 = 6 ,   x3 = 7
9x3 - 126x2 + 405x = 0
 x1 = 0 ,   x2 = 5 ,   x3 = 9		6x3 - 84x2 + 240x = 0
 x1 = 0 ,   x2 = 4 ,   x3 = 10
6.5x3 + 71.5x2 + 117x = 0
 x1 = 0 ,   x2 = -9 ,   x3 = -2		6.5x3 + 45.5x2 - 117x = 0
 x1 = 0 ,   x2 = -9 ,   x3 = 2
5.5x3 - 82.5x2 + 297x = 0
 x1 = 0 ,   x2 = 6 ,   x3 = 9		8x3 + 104x2 + 320x = 0
 x1 = 0 ,   x2 = -8 ,   x3 = -5
2x3 - 24x2 + 54x = 0
 x1 = 0 ,   x2 = 3 ,   x3 = 9		1.5x3 - 1.5x2 - 45x = 0
 x1 = 0 ,   x2 = -5 ,   x3 = 6
5x3 + 40x2 - 45x = 0
 x1 = 0 ,   x2 = -9 ,   x3 = 1		8x3 - 72x = 0
 x1 = 0 ,   x2 = -3 ,   x3 = 3
9.5x3 - 76x2 - 85.5x = 0
 x1 = 0 ,   x2 = -1 ,   x3 = 9		1.5x3 + 1.5x2 - 18x = 0
 x1 = 0 ,   x2 = -4 ,   x3 = 3