Question

3x^2=-81 imaginary numbers

Answer 1

divide both sides by 3
take the square root of both sides

Answer 2

when does i come into play

Answer 3

the answer is \[3\sqrt{3}\i]

Answer 4

my bad that was supposed to say 3 root 3 i

Answer 5

thanks, I missed imaginary numbers in class, very confusing

Answer 6

do you know all of the steps needed?

Answer 7

not really

Answer 8

ok I will post it

Answer 9

thanks