197k views
2 votes
What number must you add to the polynomial below to complete the square? x^2-6x?

1 Answer

4 votes
You must add the square of half the x-coefficient.
(-3)² = 9
is the number you must add.
User ReaperUnreal
by
5.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.