menu
Qamnty
Login
Register
My account
Edit my Profile
Private messages
My favorites
(8i)(4i)(-9i) simplify
Ask a Question
Questions
Unanswered
Tags
Ask a Question
(8i)(4i)(-9i) simplify
asked
Jun 22, 2015
38.6k
views
4
votes
(8i)(4i)(-9i) simplify
Mathematics
high-school
Cody Gray
asked
by
Cody Gray
8.1k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
2
Answers
4
votes
[ 8 * 4 * ( - 9)] * ( i^2) * i = ( -288 ) * ( -1 ) * i = 288i.
Benjamin Ziepert
answered
Jun 25, 2015
by
Benjamin Ziepert
8.4k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
4
votes
the answer i got was 288i 8*4=32 i^2=-1 so -1*32= -32 then -32*-9i so it =288i
Lebert
answered
Jun 26, 2015
by
Lebert
7.3k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Jun 5, 2024
81.0k
views
If a = 1 + 4i and b = 2, then find the value of a^2 * b in fully simplified form. a) 10 + 9i b) -14 + 10i c) 18 + 2i d) -6 - 8i
Maziar
asked
Jun 5, 2024
by
Maziar
8.7k
points
Mathematics
high-school
1
answer
3
votes
81.0k
views
asked
Dec 5, 2017
123k
views
Simplify the expression. (–2 –2i)(–4 + 6i) (1 point) 8 – 4i 8 – 12i 20 – 4i –4 – 4i Simplify the expression. (5 – 5i) – (–6 – 3i) (1 point) –1 – 8i 11 – 2i –11 + 2i 9i
Twinlakes
asked
Dec 5, 2017
by
Twinlakes
7.6k
points
Mathematics
high-school
1
answer
0
votes
123k
views
asked
Dec 17, 2020
132k
views
PLEASE HELP ME! Which two complex numbers when added together and written in standard form equal 10 − 3i? A -3 − 4i B -7 − 6i C 13 + i D -9 + 6i E 8 − 8i F -15 + 9i G 2 + 12i H 6 − 10i
Jacob CUI
asked
Dec 17, 2020
by
Jacob CUI
8.6k
points
Mathematics
middle-school
1
answer
1
vote
132k
views
Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qamnty