The answer for your problem is shown on the picture.
Answer:9a^2+18a-72
Step-by-step explanation:
9(a+1)^2-81
9(a+1)(a+1)-81
Open brackets
9(a^2+a+a+1)-81
9(a^2+2a+1)-81
9a^2+18a+9-81
9a^2+18a-72
The answer would be 32/5 or 6 2/5 or 6.4
Hope this helps
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45 because 1-4 round down and 6-9 round up to make the 44 become a 50