topop13 topop13

04-03-2020
Mathematics

contestada

Perform the indicated operation and write the result in the form a + bi.
4i(-i + 3) - 3(6 - 2i)

Respuesta :

jimrgrant1 jimrgrant1

04-03-2020

Answer:

- 14 + 18i

Step-by-step explanation:

Note that i² = ([tex]\sqrt{-1}[/tex] )² = - 1

Given

4i(- i + 3) - 3(6 - 21) ← distribute both parenthesis

= - 4i² + 12i - 18 + 6i

= - 4(- 1) - 18 + 18i

= 4 - 18 + 18i

= - 14 + 18i

Answer Link

Otras preguntas

How do you write y-10=2 (x-8) in standard form

Alex took his brother to a birthday party. The party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. How long did she stay

what is the constantof 24x+32+4x+3

Indicate whether the scenario below is safe or unsafe: When storing a flammable liquid, you decide to separate it from other materials by a fire wall.

Does mitochondria still meet the definition of a eukaryote why or why not?

what is a borderland?

Amy tried to write her essay but she was distracted by the phone ring the sentence above combines ____________. A. An independent clayse and a dependent clause

Solve 1 2 + 1 2x = x2 − 7x+10 4x

Which statements are true for the functions g(x) = x2 and h(x) = –x2 ? Check all that apply. For any value of x, g(x) will always be greater than h(x). For an

What fraction is equivalent to 0.46464646··· A. 46⁄999 B. 46⁄100 C. 46⁄99 D. 23⁄50