Answer:C or 11
Step-by-step explanation:
3x²-1
First you insert x... which is 2
3(2)²-1
then you square the 2. (multiply it by itself)
3(4)-1
Then you multiply 3 by 4 to get 12
12-1
And then you subtract for your answer
11
first you would do this
36
14
4x6=24
then,4x30=120
then,10x30=300
then 10x6=60 lastly you would add them up and get a sum of 504