+0  
 
0
658
3
avatar

15i⋅(−i−1)

 Feb 5, 2016

Best Answer 

 #2
avatar
+10

i=sqrt(-1)

 

-15i^2 -15i

15-15i

 Feb 5, 2016
 #1
avatar
+5

Simplify the following: 15 i (-i-1) Factor -1 from -i-1: 15 i×-(i+1) i (1+i) = -1+i: Answer: | | -15i - 1

 Feb 5, 2016
 #2
avatar
+10
Best Answer

i=sqrt(-1)

 

-15i^2 -15i

15-15i

Guest Feb 5, 2016
 #3
avatar+8581 
0

Great job, Guests!!

 Feb 5, 2016

1 Online Users