Seudónimo Seudónimo
  • 17-09-2020
  • Mathematics
contestada

Simplify the expression (9 + 2i)(9 − 2i):
81 − 18i
81 + 18i
77
85

Respuesta :

wahajkashif6
wahajkashif6 wahajkashif6
  • 17-09-2020

Answer:

Answer is 85. Can't simplify it anymore

Step-by-step explanation:

Answer Link

Otras preguntas

What was the great migration
What is pie times 13 squared
The sales tax in Alex's city is 7.33%. He bought a video game system for $299, and 2 games each at $49 each. What was the TOTAL bill, to the nearest tenth?
How many tons are in 400 pounds
In the presence of oxygen, one glucose molecule has the energy to make up to a. 12 NADH. b. 4 FADH2. c. 38 ATP. d. all of the above
1) 6x+7y=-9 -4x-5y=5
The perimeter of a regular nonagon is 18 inches. Is that enough information to find the area? If so, find the area and explain your steps. If not, explain why n
How many tons are in 400 pounds
The invention of agriculture a. led to an increased birth rate and death rate. b. provided a more dependable food supply. c. allowed people to settle down in vi
What is    the meaning  of Conditional Statements ?