Let's look at two different methods for expanding double brackets. Question 1 asks you to expand the brackets 2𝑥 add 8 multiplied by 𝑥 subtract 3. Let's use the grid method for this one. In a grid ...

One of my linear algebra students is an education major doing student teaching. Today he showed me this method of simplifying radicals which he learned from his supervising teacher. Apparently it’s ...