Answer:
Below
Step-by-step explanation:
● Make sure you write the polynomials correctly. Pay attention to the + and - signs.
● Combine like terms: variables with variables and constants with constants
● Combine the variables with the same power. For example 2x^2 with 5x^2
● write the terms left after combining
-1.9
Hope it helped!
Answer: 254,34 mm².
40k+45m
5(8k)=40k + 5(9m)= 45m