### Home > A2C > Chapter 12 > Lesson 12.4.1 > Problem 12-162

12-162.

Use the pattern for

Recall question 12-156 from the classwork.

How did your team write

Substitute *a* and and simplify.

12-162.

Use the pattern for

Recall question 12-156 from the classwork.

How did your team write

Substitute *a* and and simplify.