Enter the missing values in the area model to find 9, left bracket, 5, f, plus, 6, right bracket9(5f+6)

9
5f
+6
Answer
Attempt 1 out of 3

According to the model above, 9, left bracket, 5, f, plus, 6, right bracket, equals9(5f+6)=

9(5f+6) = 45f + 54