Which complex number is equivalent to (7-9i)-(-1+3i)?

QAmmunity.org

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question

asked Jun 4, 2017 83.6k views

0 votes

Which complex number is equivalent to (7-9i)-(-1+3i)?

Mathematics
high-school

Laoyur asked

by Laoyur

7.7k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

5 votes

just like algebra
i lis like x
distribute invisible -1 to second set
-1(-1+3i)=1-3i

now we have
7-9i+1-3i
8-12i

B Kalra answered Jun 10, 2017

by B Kalra

8.7k points

0 Comments

Please log in or register to add a comment.

← Prev Question Next Question →

Related questions

asked Feb 4, 2024 179k views

Solve −2x2 +3x − 9 = 0. x equals quantity of 3 plus or minus 3i square root of 7 all over 4 x equals quantity of 3 plus or minus 9i square root of 7 all over 4 x equals quantity of negative 3 plus or minus

Bcar asked Feb 4, 2024

by Bcar

8.9k points

Mathematics
high-school

2 answers

1 vote

179k views

asked Mar 14, 2024 1.7k views

Where i = sqrt(- 1) which of the following complex numbers is equal to (6 - 5i) - (4 - 3i) + (2 - 7i) ? A (4 - 9i)/25 B 4 - i C 9i - 4 D 4 - 9i E 4 + 9i

Sashaaero asked Mar 14, 2024

by Sashaaero

7.9k points

Mathematics
college

1 answer

5 votes

1.7k views

asked Jun 13, 2024 139k views

Distance between -2-3i and 3 9i

Brandog asked Jun 13, 2024

by Brandog

7.9k points

Mathematics
high-school

1 answer

5 votes

139k views

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

Related questions

Other Questions