Loading [MathJax]/jax/output/SVG/config.js
web2.0calc
 
+0  
 

algebra

0
716
1
avatar
does -(-9) =9 or -9?
 Sep 20, 2013

1+0 Answers

 #1
avatar
0
-(-9) = +9 ... this is the same as -1 x -9 and mutiplying 2 negative numbers gives a positive result.
 Sep 21, 2013

2 Online Users

avatar

Top Users

avatar+130466 CPhill moderator
avatar+33654 Alan moderator
avatar+15062 asinus moderator
avatar+12530 Omi67 moderator
avatar+3146 admin administrator
avatar+2234 GingerAle
avatar+1950 NotThatSmart
avatar+1766 blackpanther
avatar+1729 parmen
avatar+1501 learnmgcat
avatar+1376 Bosco

Sticky Topics