chelsib2567 chelsib2567
  • 02-10-2017
  • Mathematics
contestada

(5 - 3i)(6 + 2i)

Multiply and simplify.
A) 24 - 8i
B) 24 + 8i
C) 30 - 2i
D) 36 - 8i

Respuesta :

kyararinehart kyararinehart
  • 26-02-2019

Answer:

The correct answer is D

Step-by-step explanation:

36 - 8i is correct. Using FOIL we get 30 - 8i - 6i2, but since i2 = -1, we get 30 - 8i - 6(-1), which is 30 - 8i + 6 = 36 - 8i.

Answer Link

Otras preguntas

What is the measure of each acute angle in a right triangle where the measure of one acute angle is 5 times the measure of the other acute angle?
Mrs. Sanchez promised each of her 35 fifth grade students one fourth of a pie for Pi Day (March 14th). There are 6 pies left at Costco. Does she have enough for
What is the PERIMETER of this green rectangle? 3 in. 7in​
Please help... !!!!!!!
what do responsible citizens get​
An ecosystem is a group of organisms and the habitat in which they live together. All organisms in an ecosystem interact with each other and their environment.
What does natural selection cause? O A. Limitation B. Conditioning O C. Differentiation O D. Evolution SUB
I just need help graphing!
Magazines are packed into cartons for distribution. Each hour one person can pack 45 cartons. How many people are needed to pack 1200 cartons
10 POINTS!!! SPACE QUESTION!!