Answer:
2(x^2)-1
Step-by-step explanation:
The square of a number is just the number squared. We don't know what the number is so I will just say it is x. So we have 2 times x^2. Then we have to minus 1 from that. So 2(x^2)-1.
Hope this helps! :D
You either need to add the two times together or you need to subtract them
Answer:
i think its 38 but i could be wrong sorry
Step-by-step explanation: