(x4 + 7·x3 - 208·x2 + 980·x - 1200):(x-2)=x3+9x2-190x+600
-(x4-2x3)
........................
9x3 - 208·x2
-(9x3 - 18x2)
--------------------------
-190x2+980·x
-(-190x2+380x)
-------------------------------------
600x-1200
-(600x-1200)
---------------------------------------
0
(x3+9x2-190x+600):(x-5)=x2+14x-120
-(x3-5x2)
-------------------
14x2-190x
-(14x2-70x)
.....................
-120x+600
-(-120x+600)
.............................
0
x2+14x-120=0
x2+14x=120
(x+7)2=120+49=169
1.) x+7=13
x₁=6
2.) x+7=-13
x₂=-20
Nullstellen: -20,2,5,6