Answer
$(a - 3b - 3)^{2}$
Work Step by Step
Check factorization with FOIL and perfect squares rule:
$(a - 3b - 3)^{2}$ = $((a - 3b) - 3)^{2}$ = $(a - 3b)^{2}$ + 2(a - 3b)(-3) + $(-3)^{2}$ = $(a - 3b)^{2}$ - 6(a - 3b) + 9
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.