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
Answer:
-912
Step-by-step explanation:
- Simplify: -1,457 + 890 - 345
- -1,457 + 890 = -567
- Plug -567 in: -567 - 345
- -567 - 345 = -912
I hope this helps!
Assuming n starts from 1.
∑

; n = 1 to 3