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 many hawksbill turtles are left in the world?

if f(x)=3x+7 and g(x)=2x-5 find g(f(-3))A. -26 B.-9 C. -1 D. 10

In a right-angled triangle, the side opposite the right angle is unknown, how do you find out the unknown length? (Hypotenuse I think)

Janette bought a portable CD player on sale. The regular price was $100. She was charged $89. a) What percent of the regular price did Janette pay? b) What perc

how do i solve this infinite geometric series?64/25-16/5+4-5

what did anna sofia nysten do after the titanic sinking

Why is the enlightenment considered the turning point in world history

How much energy is contained in the mass of a 60-kilogram person?

what two large alliances took shape before the beginning of world war 1

How was society organized in the Middle Ages?