Respuesta :

Step-by-step explanation:

Solve inside the first parentheses:

[tex]2(8 + 1)(7b + 4)[/tex]

[tex]2(9)(7b + 4)[/tex]

Multiply:

[tex]18(7b + 4)[/tex]

Multiply using Distributive Property:

[tex]126b + 72[/tex]

Your simplified expression is 126b + 72.