Answer:
x=0,-3 hope this helps
https://www.symbolab.com/solver/step-by-step/x%5E%7B2%7D%20%2B3x%3D0%20 here this website to show your work hope this helps
42 firefighters in total.
16 volunteered for the special rescue team.
n + 16 = 42
or it could be this way:
42 - 16 = n
600 and 60 I do not know what to do
The distance of it away from zero cannot be a negative distance, distance is always positive therefor the absolute value will always be positive.
Short answer: no, absolute value is always positive
I hope this helps :)