### Home > PC3 > Chapter 4 > Lesson 4.1.1 > Problem 4-16

4-16.

Write each sum in expanded form and calculate its value.

(6(2) − 2

^{2}) + (6(3) − 3^{2}) + (6(4) − 4^{2}) + (6(5) − 5^{2}) + (6(6) − 6^{2})

Follow the same process as shown in parts (a) and (b).

Be sure to note the starting and ending indices!