Create your own question that could appear on the test for this unit. The question can be about adding, subtracting, multiplying, or factoring polynomials. Solve your own problem to make sure that the question has a solution, but do not submit your answer with your test question. Your classmates will be responsible for solving the problem that you make up.

2. What are two pieces of mathematical advice you have for a classmate who’s about to take an assessment on the content you learned in this unit? Think about what types of mistakes are common when adding, subtracting, multiplying, or factoring polynomials.

3. Simplify the expression: (3x^2 + 4x - 5) - (2x^2 + 3x + 7) + (x^2 - 2x).

make it more simple

3. Simplify the expression: (2x^2 + 5x) - (x^2 + 2x).

even simpler

3. Simplify the expression: 3x^2 + 2x - x.