Answer:
4x + 4
Step-by-step explanation:
6+4(2x-2)-4x-6)
expand 4(2x-2) : 8x-8
=6+8x-8-(4x-6)
-(4x-6): -4x+6
simplify 6+8x-8-4x+6: 4x+4
= 4x + 4
