radomes.openskiesproject.org
La7tt0anisabe
La7tt0anisabe La7tt0anisabe
  • 04-06-2016
  • Mathematics
Answered

(-3 - 5i)(-3 + 5i) =

Verified Answer :

caylus
caylus caylus
  • 04-06-2016

Hello,
You don't know (a-b)(a+b)=a²-b²?

(-3)²=9
(5i)²=-25
Answer 9 +25=34


Answer Link
Panoyin
Panoyin Panoyin
  • 05-06-2016

(-3 - 5i)(-3 + 5i)
-3(-3 + 5i) - 5i(-3 + 5i)
-3(-3) - 3(5i) - 5i(-3) - 5i(5i)
9 - 15i + 15i - 25i²
9 - 25(-1)
9 + 25
34

Answer Link

Related Questions

quilt is 42 square feet what are its possible dimensions if they must be whole numbers
Which aspect of gothic literature do the first four chapters of Frankenstein most clearly show
Larger farms and single crop production is one way that farming in the United States changed in the late 1800s A True B False
During World War I proGerman feelings in Minnesota increased True or False
Which best describes derived characteristics
Which definition correctly describes a haploid cell during meiosisa a cell that has double the number of chromosomes as the parent cellab a cell that has two co
how do you solve the problem 9m 36
Andrew makes 6 an hour plus 9 an hour for every hour of overtime Overtime hours are any hours more than 40 hours for the week Part A Create an equation that sho
what is the lower quartile of the data set 410101442515221610
A Drama club has 40 members The number of girls is 5 less then 2 times the number of boys How many members are boys girls