Register
Multiply and simplify the product. 2i(4 – 5i)
179k views
2 votes
Multiply and simplify the product. 2i(4 – 5i)

User Hansmbakker
by
6.3k points

1 Answer

4 votes

Answer:

10 + 8i.

Explanation:

2i(4 – 5i) Distribute the 2i:

= 2i*4 + 2i * -5i

= 8i - 10i^2 Note i^2 = - 1 so we have:

8i - 10* -1

= 8i + 10

= 10 + 8i.

User MarcoS
by
6.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.6m questions

10.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
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
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!