Answer:
bx + ba
Step-by-step explanation:
Product is multiplication
[Given] (x+a) * (b)
[Reorder] b(x + a)
[Dsitribute] bx + ba
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
