In this task, you need to translate the given English sentence to Polish language.

So let's go back to our Algebra 1 or Algebra 2.
Wróćmy więc do naszej Algebry 1 lub Algebry 2.

And hopefully you know, when we use some tangible numbers, this 
I oby, no wiecie, kiedy użyjemy jakichś namacalnych wartości, 

And that shouldn't be too hard. 

To nie powinno być zbyt trudne.