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

Please help, this is due in 30 minutes
The United States declared martial law in the Dominican Republic during the presidency of a. McKinley. c. Taft. b. Roosevelt. d. Wilson.
30 points please help
List three similarities Ancient Greece has with other ancient civilizations we have learned about. (Mesopotamia, Egypt, China, etc) - - - Pick 1 power word and
If you roll two six-sided dice, what is the probability that at least one dies shows a 5 ?
10. Which of the following metals reacts vigorously with oxygen?(A) Zinc (B) Magnesium (C) Sodium (D) Copper​
find the distance between the two points rounding to the nearest tenth (if necessary) (-7,-1) and (-4,3)
What is the speaker’s attitude toward the sea?
27 Select all the correct answers. How did the French Revolution help Napoleon rise to power as an able military and polltical leader In France? 0 The French Re
PLZZZZZZZZZZZ HELPPPPPPPP