How do you simplify #-7i + 8i - 3i#?

1 Answer
Jun 7, 2017

#-2i#

Explanation:

You treat this as if you would solving #-7+8-3#. Since we only have imaginary numbers we can add and subtract them just like regular numbers, the standard form is #a+bi#. #a# is the real part and #bi# is imaginary.