Answer:
5x2 - x + 6
Explanation:
(6x2-x+8)-(x2+2)
We gonna use KCC which is Keep Change Change and distributing property
multiple (6x2-x+8) by 1 and (x2+2) by -1
6x2-x+8 -x2 - 2
combine the like terms
6x2 - x2 + 8 - 2 - x
5x2 + 6 - x
arrange in order
5x2 - x + 6