B - 8x
To find this, combine like terms.
8x - 2x is 6x, then add the two x's on the side to bring it back to 8x.
Hope this helps!
D...........................
You cannot simplify this but you can factorise it:
9x^6 (x^2 - 2)
I don’t know I can’t see you right away
1\2+3\7=
7\14+6\14=13\14
1-13\14=1\14
