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

Emergency workers in a small city estimate that in he event of a hurricane they would need to transport3,250 people out of the city on buses if each bus holds 4

Bonjour, pouvez -vous m'écrire un récit d'une "île utopique" svp avec ceci dans le texte. -date -lieux -personne y vivant -activités -langue -culture -locomotio

Please help on these questions!

the best way to start a letter to friend and teacher in first paragraph first line

A shoe store has a pair of shoes that originally cost eighty dollars. Match the expression to find each markup or discount by dragging the expressions to the ma

definition Mediterranean Basin

who's Issac Newton ?

The palm of sheilas hand has an area of 0.0017 m2. If the atmospheric pressure on the palm is 100,000 Pa, what force is being exerted on Sheila's palm by the at

In what aspects do minerals differ from eachother

Think of your own dangerous situation. Describe the situation and then answer the following questions. a. What is the risk factor of this situation? b. Describe