Question

simplify:
(4-8i) * (-5+2i)

Answer 1

did you distribute (aka FOIL) it out ?

Answer 2

is that what I need to do to solve?

Answer 3

ok will try it
and check back in abit

Answer 4

This simplification is like this .Proceed by a term by term multiplication that is 4*-5+4*2i+(-8i*-5)+(-8i*2i)
i*i is i^2=-1
So the result is -4+48i

Answer 5

ok ty I was struggling