Now group all of our x6 terms:
3x6 - 3x6 = 0x6
Now group all of our x5 terms:
-4x5
Now group all of our x4 terms:
6x4 + 3x4 = 9x4
Now group all of our x3 terms:
-2x3
Now group all of our x2 terms:
-8x2
Now group all of our x terms:
6x
Now group all of our constant terms:
- 1