(3i-5)(6i+3)
(3i - 5)(6i + 3) Apply complex arithmetic rule: (a+bi)(c+di)=(ac-bd)+(ad+bc)i; a= -5, b = 3, c = 3, d = 6 =(-5 * 3 - 3 * 6) + (-5 * 6 + 3 * 3)i; = -33 + (-21)i; = -33 -21i
Question
Asked 10/21/2013 12:06:44 PM
Updated 9/4/2017 1:51:53 PM
Rating
3
(3i - 5)(6i + 3)

= 18i^2 + 9i - 30i - 15;

= 18i^2 - 21i - 15
Added 9/4/2017 11:51:15 AM
This answer has been flagged as incorrect.
Flagged by jeifunk [9/4/2017 12:36:37 PM]
3
[Deleted]
Added 9/4/2017 1:48:43 PM
This answer has been added to the Weegy Knowledgebase
Deleted by alfred123 [9/4/2017 1:50:54 PM]
3
[Deleted]
Added 9/4/2017 1:51:06 PM
This answer has been added to the Weegy Knowledgebase
Deleted by alfred123 [9/4/2017 1:51:46 PM]
3
(3i - 5)(6i + 3)

Apply complex arithmetic rule: (a+bi)(c+di)=(ac-bd)+(ad+bc)i;

a= -5, b = 3, c = 3, d = 6

=(-5 * 3 - 3 * 6) + (-5 * 6 + 3 * 3)i;

= -33 + (-21)i;

= -33 -21i

Added 9/4/2017 1:51:53 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [9/4/2017 2:12:56 PM]

There are no comments.

27,687,910
*
Get answers from Weegy and a team of really smart live experts.
Popular Conversations
What is an asphalt?
11/6/2018 12:43:46 AM| 3 Answers
The chief builder of the Muslim Empire was Suleiman. A. True B. ...
Weegy: The chief builder of the Muslim Empire was Suleiman. This is true.
11/6/2018 6:09:40 PM| 3 Answers
Narcotics are a classification of drugs from this type of plant.
Weegy: Narcotics are pain killing drugs. User: Another term for this classification of drugs is sedatives.
11/7/2018 9:03:53 AM| 2 Answers
Which Ottoman ruler added Baghdad to Ottoman territory? A. ...
Weegy: Suleyman was the Ottoman ruler who added Baghdad to Ottoman territory. User: How were non-Muslims treated in ...
11/7/2018 3:18:27 PM| 2 Answers
What was used to guide the flow of the canal water over rivers?
Weegy: Both navigations and canals use engineered structures ...
11/7/2018 3:33:43 PM| 2 Answers
Which of the following describes a nuclear stress test? A. A ...
Weegy: Chronic bronchitis is the patient diagnosis which indicates that there's a hypersecretion of mucus and chronic ...
11/10/2018 4:20:04 PM| 2 Answers
S
L
R
P
R
P
R
P
R
P
R
P
Points 521 [Total 2629] Ratings 2 Comments 501 Invitations 0 Online
S
L
R
Points 513 [Total 1234] Ratings 3 Comments 483 Invitations 0 Online
S
L
Points 355 [Total 355] Ratings 0 Comments 355 Invitations 0 Offline
S
Points 37 [Total 37] Ratings 0 Comments 37 Invitations 0 Offline
S
Points 26 [Total 26] Ratings 0 Comments 26 Invitations 0 Offline
S
Points 20 [Total 20] Ratings 0 Comments 0 Invitations 2 Offline
S
Points 19 [Total 34] Ratings 1 Comments 9 Invitations 0 Offline
S
Points 13 [Total 13] Ratings 0 Comments 3 Invitations 1 Offline
S
R
L
R
P
R
P
R
R
R
R
P
R
P
Points 1 [Total 2009] Ratings 0 Comments 1 Invitations 0 Offline
S
Points 1 [Total 1] Ratings 0 Comments 1 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.