Question

Multiply. (−4−7i)(3−5i)

Answer 1

We cannot multiply this, we need to have the amount i equals. Tho, we can simplify this problem.
Simplifying the problem would equal -47 - i

I hope this helps! :>

Answer 2

Answer: -47-i
Explanation: Use FOIL
-4*3-4(-5i)-7i*3-7i(-5i)
Simplify and combine like terms
=-47-i