Answer:
if you meant (b+3)+(2^b-2), the answer is b+1+2^b
Step-by-step explanation:
but if you meant (b+3)+(2b-2), the aanswer is 3b+1
3b+1
(b+3)+(2b-2)
b+3+2b-2
3-2
b+1+2b
b+2b
