Respuesta :

Answer:

=10a

Step-by-step explanation:

Distribute:

=(5)(4a)+(5)(3b)+(−5)(2a)+(−5)(3b)

=20a+15b+−10a+−15b

Combine Like Terms:

=20a+15b+−10a+−15b

=(20a+−10a)+(15b+−15b)

=10a