+0  
 
0
160
2
avatar

(c-4)(3c+9)

Guest Jul 11, 2017
Sort: 

2+0 Answers

 #1
avatar+78557 
+2

(c-4)(3c+9)

 

Distribute  the terms in the first set of parentheses over the terms in the second set of parentheses

 

c (3c + 9)   -  4 (3c + 9)

 

3c^2 + 9c - 12c - 36    combine like terms

 

3c^2 - 3c  - 36

 

 

cool cool cool

CPhill  Jul 11, 2017
 #2
avatar+5205 
+1

That's a neat way to do " FOIL " ing !!

hectictar  Jul 12, 2017

19 Online Users

avatar
avatar
avatar
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details