PateL153978 PateL153978
  • 03-11-2022
  • Mathematics
contestada

simplified (-4+2i)(3-9i)

Respuesta :

AdriellX474757 AdriellX474757
  • 03-11-2022

6 + 42i

Expanding the expression, by using FOIL acronym

(-4+2i)(3-9i)​

-12+36i+6i-18i²

-12 +42i -18i² Remember i²= -1

-12 + 42i -18(-1)

-12 + 42i +18

6 + 42i

2) Now we have that complex number in the form a +bi

-

Answer Link

Otras preguntas

How is carbon dioxide obtained?
Locate the gerund and identify its use.Wrestling alligators seems both foolish and dangerous.
what are the landforms of vermont
In a class of 35 students, 25 girls averaged 92% on the last test, while the 10 boys averaged 85% on the same test. What is the average for the entire class on
why is red onions purple
how to write an equation and solve it for the followingOne fifth of the employees of Delta Industries, Inc., work in the Sotheastern region. If the company empl
What is the main idea of Truman's statement about the use of atomic weapons
If the function h(x) represents the number of full hours that it takes a person to assemble x sets of tires in a factory, which would be an appropriate domain f
Determine the half-life of potassium if in 3460 years a 200 g sample decayed into 25 g
What is a tonal collage? We learnt it in school BUT  I can't remember.