Respuesta :

Answer:

[tex]9a + 4b[/tex]

Step-by-step explanation:

Multiply:

[tex](2)5a + 2(2b) - a[/tex]

[tex](10a + 4b) - a[/tex]

Simplify:

[tex]9a + 4b[/tex]

Answer:

9a+4b

Step-by-step explanation:

2(5a+2b)-a

10a+4b-a

9a+4b