Question

Create an example of how to add two trinomials and how to subtract two trinomials. Come up with two trinomials and be sure to:
-Write out each step used to complete each addition and subtraction example.
-Show all the steps used to simplify the expressions.
-Provide the resulting degree and classification of each example.
-Explain why the polynomial is or is not closed over addition or subtraction based on the problem provided.

Answer 1

@mathmale help?

Answer 2

@radar help?

Answer 3

@myininaya ?