Answer:
12f-5f²+6f+10f²= 10f²-5f²+12f+6f=5f²+18f
Answer:
2 3 5 7
Step-by-step explanation:
<u>Answer:</u>

<u>Step-by-step explanation:</u>
To find the solution to the equation, we have to rearrange the equation to make
the subject:

⇒
[Subtracting 2 from both sides]
⇒ 
⇒
[Subtracting
from each side]
⇒ 
⇒
[Diving both sides by 213]
⇒ 
Yes, they are both functions.