Error Analysis: A student simplified the expression as shown in the canvas. Identify the errors and correct them. You may also complete your work on paper or on a whiteboard and upload a clear picture of it to the canvas.
Question 9
9.
Compare and Contrast: How are algebraic expressions and numerical expressions alike? How are they different? Include examples to justify your reasoning.
NOTE: This is a "free response" Formative item. You can add a variety of media to support your written response.