Answer
8
Work Step by Step
Cecilia does a fairly good job factoring the equation, so she will earn an 8. She makes the mistake of not factoring out the 4 at the beginning, so she would lose two points for doing that.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.