Can someone please help me out with 8 and 9?

Answer:
See below! ^u^
Step-by-step explanation:
Ⓗⓘ ⓣⓗⓔⓡⓔ
8) 8x in and 3x^2 in
9) 6x-9, 6x-9, 6x-7
(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥
BTW, brainliest would be greatly appreciated, I only need one more before I advance, thanks!