### Home > AC > Chapter 14 > Lesson 14.3.1.2 > Problem 3-29

3-29.

(*x* + 7)(*x* − 7)

(*xy* + 9*z*)(*xy* − 9*z*)

Remove the common factor and then factor the quadratic.

3-29.

(*x* + 7)(*x* − 7)

(*xy* + 9*z*)(*xy* − 9*z*)

Remove the common factor and then factor the quadratic.