Use the area model to factor .
80
r
+
90
s
First, find the terms of the missing factor.
10
80
r
90
s
Now, write in factored form.
80
r
+
90
s
ref_doc_title.
Jumping to level 1 of 1
Excellent!
Now entering the Challenge Zone—are you ready?
Now entering the Challenge Zone—are you ready?