Respuesta :

6x + 2(3x + 5) + (-9)
= 6x +6x + 10 - 9
= 12x + 1

In short, Your Final Answer would be 12x + 1

Hope this helps!
you need to use the distributive property and distribute 2.
multiply 2 by 3x then 2 by 5
youll now get 6x+6x+10- 9
simplify that again and you'll be done