Question

Simplify. Answer in a+bi. (7-i)-(9+4i)

Answer 1

This expression can be easily simplified. Just apply what you have learnt in basic arithmetics into this question.

Answer 2

expand -(9+4i) by multiplying in the negative first.

Answer 3

So you'll have 7- i - 9 - 4i = (7 - 9) - (i + 4i)

Answer 4

Just reduce that and you'll get your answer in terms of a + bi

Answer 5

I think the answer is 7-37 i.

Answer 6

no that is not the answer.

Answer 7

is it - 2 + 3 i ?