Register
SImplify to standard form (a+bi) (12-9i)²
221k views
2 votes
SImplify to standard form (a+bi)
(12-9i)²

User Zaxunobi
by
7.9k points

1 Answer

3 votes

Answer:

Hello,

Explanation:

Formula used (a+b)^2=a²+2ab+b²


(12-9i)^2=3^2*(4-3i)^2\\\\=9*(16-9-24i)\\\\=9*(7-24i)\\\\=63-216i\\

User Causita
by
9.0k points
← Prev Question Next Question →

Related questions

User Joelhoro
asked Mar 2, 2024 186k views
Perform the indicated operations. Write the answer in standard form, a+bi -7+9i ____ 3-5i
Joelhoro asked Mar 2, 2024
by Joelhoro
7.7k points
1 answer
2 votes
186k views
User Gmlime
asked Nov 21, 2024 151k views
Let z = -5 - 9i. Write the following numbers in a + bi form: -3z =
Gmlime asked Nov 21, 2024
by Gmlime
8.0k points
1 answer
5 votes
151k views
User Luis Delgado
asked Feb 15, 2024 147k views
Simplify the expression (10+5i)+(4+9i). Write your answer in terms of a+bi. No spaces.
Luis Delgado asked Feb 15, 2024
by Luis Delgado
8.9k points
1 answer
5 votes
147k 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

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
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!