Respuesta :

helperjoe
12 + 28i
is your answer
bob3141
To simplify multiplying binomials, you can use two equations
4(-2+5i) +  -4i(-2+5i)
Simplify -  -8+20i +8i -20i²
-20i² + 28i - 8
Hope this helps- Please mark brainliest :)