Question

Which two expressions are equivalent?

Answer 1

Answer:

I believe it's the first one

Answer 2

Answer:

The First one and the third one

Step-by-step explanation:

All you have to do is the distributive property and multiply 7 times 3x and 7 times 2 to get 21x + 14. Then you add like terms for the third one and get x2+5.

Do this help? :)