Answer:
2·x²+4
Step-by-step explanation:
The sum is an answer to an addition problem and 2 times a number means to multiply by 2. That number is squared so you it's to the second power.
Answer:
30
Step-by-step explanation:
So to do this you would set up the equation
than you would add 6 to both sides so you would get
than you would divide 3 from both sides so
and that is the final answer which is correct
That would be 2 4/5
or 2.8