acrain51
acrain51 acrain51
  • 14-09-2020
  • Mathematics
contestada

Simplify the expression (8 + 6i)(8 − 6i). 28 100 64 − 48i 64 + 48i

Respuesta :

kalebr0703
kalebr0703 kalebr0703
  • 14-09-2020

Answer:

Answer:

-20 + 48i

Step-by-step explanation:

(4 +6i)^2 (Perfect square)

= (4)^2 + 2(4)(6i) + (6i)^2

= 16 + 48i + 36i^2

= 16 + 48i - 36    (i^2 = -1)

= -20 + 48i

Step-by-step explanation:

Answer Link
myliege6
myliege6 myliege6
  • 29-09-2021

Answer:

B. 100

Step-by-step explanation:

i took the exam

Answer Link

Otras preguntas

The shortest distance between two points is what?
An item is regularly priced at $75. It is on sale for 40% off the regular price. How much (in dollars) is discounted from the regular price?
Maria and Ming start at the same point and drive in opposite directions. Maria drives 50 mph and Ming drives 30 mps. How far apart will they be in 2 hours
Consuelo is very close to her parents. she really loves going sailing with her mom on the weekends; she describes their conversations as "very deep." consuelo o
Which of the following is an example of a character vs. character conflict? Select all that apply. 1. two sisters furiously competing against each other in a s
Which of the following is a radical equation?
Line EF has an equation of a line y = −2x + 7. Which of the following could be an equation for a line that is perpendicular to line EF? y = 2x − 3 y = 1 over
anyone please help me
Question part points submissions used the points (1, 4) and (−3, 8) lie on a line. where does the line cross the x-axis?
What is 5.928301 to 2 decimal places?