### Home > PC3 > Chapter 8 > Lesson 8.1.1 > Problem 8-9

8-9.

Simplify: ^{ } Homework Help ✎

Expand each of the squared terms.

Factor 4 out of the squared terms.

Use the Fundamental Pythagorean Identity to simplify.

Simplify.

8-9.

Simplify: ^{ } Homework Help ✎

Expand each of the squared terms.

Factor 4 out of the squared terms.

Use the Fundamental Pythagorean Identity to simplify.

Simplify.