Sagot :
Answer:
>>> 40n
Step-by-step explanation:
n + 54n^2 + 20n - n - 54n^2 + 20n
- Remove n & - n
54n^2 + 20n - 54n^2 + 20n
- 54n^2 & 54n^2
20n + 20n
- Add 20n + 20n = 40n
= 40n
hope its help
Step-by-step explanation:
n + 54n^2 + 20n - n - 54n^2 + 20n
54n^2 + 20n - 54n^2 + 20n
20n + 20n
= 40n
hope its help