Ask
your own question, for FREE!
Mathematics
13 Online
OpenStudy (anonymous):
(−5 + 3i) • (1 − 2i) PLEASE someone explain this to me?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (sweetburger):
is i considered \[\sqrt{-1}\]
OpenStudy (anonymous):
yes, i'm supposed to simplify
OpenStudy (math&ing001):
Did you distribute (a+b)(c+d)=ac+ad+bc+bd If yes tell me where you're stuck.
OpenStudy (sweetburger):
foil method
OpenStudy (math&ing001):
(-5+3i)(1-2i) =-5+10i+3i-6i*i i*i=-1 =-5+13i+6 =1+13i
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
heartlessprophet:
How do i get paid from work when im in job court ?
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
DoltonCarlee:
So like do y'all know anything about the first world war?
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
heartlessprophet:
How do i get paid from work when im in job court ?
21 hours ago
0 Replies
0 Medals
Aubree:
Guys, what does love feel like? I've been getting a tight chest and when I talk to him my heart rate hangs out around 100-120 beats per min, and when he doe
1 hour ago
9 Replies
1 Medal
thereneelg:
ok... anyone have advice?? ...I did Choir all throughout Middle school and have ALWAYS been put in Soprano those three years.
1 day ago
6 Replies
1 Medal
kamariana:
The Byzantine Procopius is known for (5 points) reconquering much of the old Roma
3 days ago
0 Replies
0 Medals
chuckD:
hellp!!! what does it mean to describe a scientist as skeptical Why is sceptical
3 days ago
2 Replies
1 Medal
DoltonCarlee:
So like do y'all know anything about the first world war?
1 day ago
2 Replies
0 Medals
thehearken:
anyone know how to explain this so its easier for me to understand? b(1)=2, b(n)=
2 days ago
5 Replies
2 Medals
