Answer:
She make an error in step 1
Explanation:
Consider the provided information.
Thee less than quotient of a number squared and nine,increased by eight.
Let the number is n.
Step 1: Translate the equation.

Step 2: Substitute the value of n=6

Step 2: Simplify

Step 3:

Step 4:

Hence, she make an error in step 1 and because of that whole calculation is wrong.