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

Which was NOT an outcome of the war in Vietnam? A) Mass killings in Cambodia B) Strengthened reputation of the United States C) A communist dictatorship D) Reun

Prove that if f(x) and g(x) are both even functions, then h(x) = f(x) + g(x) is an even function.

How do I show my work for this statistics problem? There are 5 boys 3 girls in a class and 4 boys and 2 girls in another. Are the boys in the second class or g

Select three common principles of community mobilization. provide food gain community’s interest start support group advocate for change build shelters h

What was expected of the colonists through the new Quartering Act passed in 1774 as part of the Coercive Acts (Intolerable Acts)?

BEST ANSWER GETS TO BE BRAINLYEST!!!!! For circle O, name all the arcs shorter than a semicircle A. DBA, DB, DAC, AC, AB B. DBA, DB, DC, AC, AB C. DB, DC, AC, A

HELPPPPP PLEASE IM Desperate!!!!!!!!!!

Why did many people think that John Brown was crazy and Why do you think people’s opinion of him has changed over time? (Please Help :(

what impact did the latin american rulers have on their people

When did the most recent ice age occur