Question

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



-16

34

34 - 30i

Answer 1

9+25

Answer 2

so just 34

Answer 3

i^2=-1, so the equation WITHOUT the i would have been 9-25, but since i^2 is negative 1 the negative cancels out and you get 9+25

Answer 4

or 34

Answer 5

not sure what the bottom equation is

Answer 6

what about this one
(5 - i)(5 + i) =



24

25i

26