Question

Write the sum or difference in the standard form a + bi.
( 7 + 5i) - ( -9 + i)

Answer 1

Group like terms.

Answer 2

Distribute the negative.

Answer 3

add/subtract the real number with real and add/subtract the imaginary numbers

Answer 4

-16 - 4i

Answer 5

16-4i

Answer 6

ohhh ya i get it now :D

Answer 7

check it out real number is positive

Answer 8

Raj, check your math.

Answer 9

Arithmetic, people.

Answer 10

@SmoothMath thanks for your advice
but no thanks

Answer 11

wait now I'm lost?

Answer 12

who's right?

Answer 13

16 - 4i

Answer 14

my answer

Answer 15

5i - i \(\neq\) -4i
Good try though, buddy.

Answer 16

i got this 1 16 + 4i

Answer 17

Good work.