Answer:
Arithmetric, why do u keep asking the same thing! And how are you doing edpussle on the WEEKEND???
if u have other questions that ur struggling on dm me and I will help! <3
Step-by-step explanation:
Answer:5.7
Step-by-step explanation:
Hello!
You can only add variables with the same base and exponent
8u^3 + 4u^3 = 12u^3
8u^2 + 0 = 8u^2
0 + -6u = -6u
6 + 3 = 9
Put the sums together
12u^3 + 8u^2 - 6u + 9
The answer is

Hope this helps!
F+g(x) = f(x) + g(x) = 3x-1 + x+2 = 4x+1