### Home > CC2 > Chapter Ch5 > Lesson 5.3.2 > Problem 5-113

5-113.

Write the expression as shown on the Expression Mats. Then simplify by making zeros and combining like terms.

Remember that shaded tiles are positive and white tiles are negative.

Use the eTool below to solve the problems in part a and b.

Click the link at right for the full version of the eTool: *5-113 HW eTool* (CPM)