### Home > INT2 > Chapter 7 > Lesson 7.1.1 > Problem 7-18

7-18.

Factor the following expressions completely. Hint: Always look for common factors first.

Start by factoring out a

.

Then factor the remaining quadratic.

Start by factoring out the GCF.

Factor out a

. You will be left with a difference of squares.

Watch the following video if you need help with factoring quadratic expressions. Click the link at right for the full version of the video: Factoring Quadratics