Home > CCA > Chapter 3 > Lesson 3.3.2 > Problem 3-103
3-103.
Multiply each of the following expressions. Show all of your work.
Use a generic rectangle to multiply. A 2 by 2 rectangle.
Put the products on the outside of the rectangle. Added to the rectangle, the following labels: left side, top, + 3, left side, bottom, x, bottom side, left, 4, x, bottom side, right, +, 5.
Use length times width to find the areas of the small rectangles. Labels added to the interior of the rectangle as follows: top left, 12 x, top right, 15, bottom left, 4 x squared, bottom right, 5 x.
Write the total area as a sum.
Follow the steps in part (a).
Follow the steps in part (a).
Follow the steps in part (a).