Ask
your own question, for FREE!
Mathematics
17 Online
OpenStudy (anonymous):
Which of the following complex expressions is NOT simplified correctly? Answer A. (4+3i)+(-7-8i) = -3 - 5i B. (2 + 3i)2 = -5 C. (5-2i)(2+4i) = 18 + 16i D. (3 - 4i)(3 + 4i) = 25
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
second one is not correct... the rest are all ok simplifications.
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
CecePitbull:
Who wants to debate about Trump I think he's horrible who doesn't.
Countless7Echos:
mmm I forgot to post but hey first time trying out hyperpop art :3 super fun TW:
RAVEN69:
The hole You can't fix the hole in my heart. It's permanent. It's been broken to many times and I love it every time.
DemonAngel24:
connecthive.online - if you wanna know more about chey and how she lies and cheat
ArlynnMwah:
I am Demon angel 24. I am a ped, I got rejected by 6 girls, and I'm now on the hunt to press girls because I cant handle rejection properly.
DemonAngel24:
I am Chey. I gave Alicias password to several people. I cheated on my bf FIVE times.
DemonAngel24:
I am Chey. I have Alicias password to several people. I cheated on my bf FIVE times.
DemonAngel24:
I am Chey. I have Alicias password to several people. I cheated on my bf FIVE times.
CecePitbull:
Who wants to debate about Trump I think he's horrible who doesn't.
2 minutes ago
0 Replies
0 Medals
Countless7Echos:
mmm I forgot to post but hey first time trying out hyperpop art :3 super fun TW:
5 minutes ago
6 Replies
3 Medals
RAVEN69:
The hole You can't fix the hole in my heart. It's permanent. It's been broken to many times and I love it every time.
45 minutes ago
0 Replies
0 Medals
DemonAngel24:
connecthive.online - if you wanna know more about chey and how she lies and cheat
6 minutes ago
1 Reply
0 Medals
ArlynnMwah:
I am Demon angel 24. I am a ped, I got rejected by 6 girls, and I'm now on the hunt to press girls because I cant handle rejection properly.
1 hour ago
8 Replies
0 Medals
DemonAngel24:
I am Chey. I gave Alicias password to several people. I cheated on my bf FIVE times.
6 minutes ago
26 Replies
1 Medal
DemonAngel24:
I am Chey. I have Alicias password to several people. I cheated on my bf FIVE times.
1 hour ago
88 Replies
3 Medals
DemonAngel24:
I am Chey. I have Alicias password to several people. I cheated on my bf FIVE times.
1 hour ago
53 Replies
4 Medals