9514 1404 393
Answer:
step 3
Explanation:
The multiplication indicated in step 2 should be carried out to get to step 3.
= -6 +56 +9 . . . correct step 3
Then, step 4 is ...
= 50 +9
and step 5 is ...
= 59
Hayden's mistake is in step 3 where he ignores the order of operations requirement to perform multiplication before addition.