Question

thanks, how about this one9i(2-9i)

Answer 1

Are you trying to solve i?

Assuming it isn't a complex number, you expand the brackets by multiplying 9i by 2, then 9i by -9i.

Answer 2

ok so is thw ans18i -81i

Answer 3

Can you simplify this further?

Answer 4

is says to multiply, should i reduce and can i since one is and i and the other is not

Answer 5

Is that the entire equation?

Answer 6

sorry just realized that they are both i , how do i move from here

Answer 7

yes

Answer 8

Just minus 81 from 18.

Answer 9

the ans is 18i=81why is it you dont carry the i over to the 81

Answer 10

plus not equals sorry