Answer:
Great job!
Step-by-step explanation:

The domain of given function is <u>All real numbers</u>

For each value of x the function is defined.
Example -
The value is 
The value is 4

Do you have a picture or anything that you could show us?
The student went wrong in step three. the solutions should have been -3 and 5
Answer:
(3x+7)(x+5)
Step-by-step explanation:
i think lol