Register

Simplify (7-5i)(-3+9i)-(5+6i)^2

Simplify (7-5i)(-3+9i)-(5+6i)^2
91.0k views
5 votes
Simplify (7-5i)(-3+9i)-(5+6i)^2

User MatthewD
by
9.3k points

1 Answer

0 votes
(-21 + 63i + 15i - 45i^2) - (25 + 60i + 36i^2) =

(-21 + 78i + 45) - (-11 + 60i) =

24 + 78i - 60i + 11 =

35 + 18i
User Gurmanjot Singh
by
8.3k points
← Prev Question Next Question →

Related questions

User Thekidder
asked Jan 17, 2016 105k views
What is each sum or difference? (7-2i)+(-3+i) (1+5i)-(3-2i) (8+6i)-(8-6i) (-3+9i)+(3+9i)
Thekidder asked Jan 17, 2016
by Thekidder
7.3k points
1 answer
5 votes
105k views
User Brad Reed
asked May 5, 2019 213k views
Simplify 1). (-1+8i)-(6+6i) 2). (1-5i)(1-7i) 3). -9-3i/-i 4). -5-3i/1-9i
Brad Reed asked May 5, 2019
by Brad Reed
7.8k points
1 answer
5 votes
213k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

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
Link Copied!