### Home > CCA > Chapter 4 > Lesson 4.3.1 > Problem4-113

4-113.

Find each of the following products by drawing and labeling a generic rectangle or by using the Distributive Property. Homework Help ✎

1. $( x + 5 ) ( x + 4 )$

• Create a generic rectangle.

Put the products on the outside of the rectangle.

Find the area of the smaller rectangles.

Write the areas as a sum.
$x^2+5x+4x+20$.

$(x+5)(x+4)=x^2+9x+20$

1. $2y(y+3)$

Follow the steps in part (a).