Step-by-step explanation:
[tex] = - 2( - 6x - 9) - 4(x + 9)[/tex]
[tex] = 12 x+ 18 - 4x - 36[/tex]
[tex] = 12x - 4x + 18 - 36[/tex]
[tex] = 8x - 18...[/tex]
Answer: 8x - 18
Step-by-step explanation:
-2(-6x - 9) = 12x + 18
-4(x + 9) = -4x - 36
(12x - 4x) + (18 - 36)
8x - 18
