Question

How do you put -3i+7 / 5 in a+bi form?

Answer 1

Well, you can separate the numerator like this:
\[\dfrac {-3} {5} i+\dfrac {7} {5}\]

Answer 2

it has to be in a+bi form.

Answer 3

well, 7/5 plus -3/5 i, where a= 7/5 and b=-3/5, a and b just got to be real.