[Answer]
[tex]\boxed{8x \ + \ 4}[/tex]
[Explanation]
4(x + 6) + 4(x - 5)
[Expand] 4(x + 6): 4x + 24
4x + 24 + 4(x - 5)
[Expand] 4(x - 5): 4x - 20
4x + 24 + 4x + 20
[Simplify] 4x + 24 + 4x - 20: 8x + 4
= 8x + 4
[tex]\boxed{[ \ Eclipsed \ ]}[/tex]
