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

Angles a and b are complementary angles. if the measure of angle a is 30 more than the angle of measure b find the measures of the two ang;es

What, according to Milton, is the purpose of poetry?

It is estimated that a first time dui costs roughly ______ once all potential costs are factored in.

Which force could cause a satellite to descend low enough that it burns up in Earth’s atmosphere?

should color and design be used in emails

find the domain of the function f(x)= 5x^2 +2x-1

How do you say I think in spanish

What invention helped to aid the growth of Los Angeles and anaheim

Twice a number, x, increase by 4 is less than 2 or greater than 8. What is the compound inequality that represents the situation?(Comment below if you need answ

The expression s2 is the area of a square, where s is the side length of the square. What does the expression (6x)2 represent? A) the area of a square with a s