Question

(6-i)-(9+4i)=

Answer 1

-3 - 5i

Answer 2

Steps:
6 - i + (-9 -4i) ; think of i as any other variable like x
(6 - 9) + (-1 -4)i ; combine like terms
-3 + -5i

Answer 3

=]

Answer 4

thanks so much kis kis

Answer 5

You become my fan now =p

Answer 6

yup