### Home > CC4 > Chapter 8 > Lesson 8.1.3 > Problem 8-53

8-53.

Find the dimensions of the large rectangle.

To show the area as a product, write the dimensions multiplied together.

To show the area as a sum, add up all of the tile pieces.

As a product area = (2*x* − 3)(*x* + 2*y* − 4)

As a sum area = 2*x*² − 11*x* + 4*xy* − 6*y* + 12