### Home > CC3 > Chapter 2 > Lesson 2.1.9 > Problem 2-87

2-87.

Copy and complete each of the Diamond Problems below. The pattern used in the Diamond Problems is shown below. Homework Help ✎

Multiply

by to get .

Add

to to get .

What are the factors of

? Which of these add to

?

Divide

by to find .

Use the pattern in the diamond and remember your negative signs.