+0  
 
-4
71
5
avatar+104 

nvm. thanks !

 Mar 31, 2020
edited by matthewmacdell  Mar 31, 2020
 #3
avatar
0

Using Simon's Favorite Factoring Trick, the number that goes in the blank is 20.

 Mar 31, 2020
 #4
avatar+109518 
+1

DO NOT DELETE YOUR QUESTIONS MATTHEW.

 Apr 1, 2020
 #5
avatar
0

You should not cheat on your homework.

 Apr 1, 2020

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