Answer:
800 m
Step-by-step explanation:
Hello :
f(x) = (x-5)(x+2i)
= x² +2ix -5x-10i
f(x) = x² +(2i-5)x -10i
<span>coefficients : a =1 b = 2i-5 c =-10i</span>
A:5
I hope this helps you
Good luck on the rest :)
Answer:
the last choice
Step-by-step explanation: